My goal for this guide is to expand on the requirements needed to complete these achievements. This will include the location in game, abilities required, and an overall general order in which they are acquired. There will be a in depth checklist at the end to show exactly how to get each needed collectible.

In total, there are quite a few collectibles in this game that are required to unlock the "Math is Hard" achievement.

• Complete all rounds of the punching game in Basic Braining.
  
• Collect 117 Psi Cards and combine with Psi Cores.
  
• Find all 9 Psi Challenge Markers.
  
• Find all 16 Scavenger Items and return to Cruller.
  
• Find all 19 brains and return to Cruller.
  
• Find all figments worth 1,600 points.
  
• Open all 19 memory vaults
  
• Find all 50 emotional baggage.
  
• Find and weave all 54 mental cobwebs.

Note: There is a Point of No Return after freeing Lili. After you free Lili you can turn in the cobwebs to the fortune teller. You are clear to pass this point when you have collected...

• 18 memory vaults
  
• 45 emotional bags
  
• 6 Psi Cards
  
• Currently Rank 98

There are quite a few achievements that you get for working towards Math is Hard. These are just the collectible achievements which I will outline for you now.


Achieve Rank 101
This is the achievement where you are required to essentially 100% the game.
To get Rank 101, you must complete all rounds of the punching arena.

Earn All Merit Badges
There are 8 badges in the game, all will come throughout playing through the campaign.

Find all Golden Helmets
There is one missable, the rest can be acquired at any time.

Brain Tumbler Experiment
• Complete Sasha Shooting Gallery.Its behind the thorny tower.

Lungfishopolis
• Located on top of a skyscraper after the monorail tunnel.

The Milkman Conspiracy
• You need telephone access, it's on the island accessible from the telephone pole after the road crew.

Waterloo World
• Located on the pink bridge near the peasant who is unarmed.

Black Velvetopia
• Hang from the window painting on the upper ledge at end of the of an alley near the Queen of Diamond entrance, enter the newly created window.
  
• MISSABLE- Use the Confusion Grenade to stop the bull so that the dog can paint the poster on the wall. Once finished, approach the painting and then return to Dingo Inflagrante for your reward.

Redeem all 16 Scavenger Hunt Items
Some of these require a certain ability before they are able to be acquired.

Re-brain all the Children
All of these are found in the Asylum.

Crack all Memory Vaults
See the individual level checklists on the right.

Sort all Emotional Baggage
See the individual level checklists on the right.

Gather all Figments
See the individual level checklists on the right.

12 Psi Cards

• Under the stairs leading to Basic Braining.
  
• On the tree root near Basic Braining.
  
• On the cabin next to the trampoline.
  
• In the outhouse.
  
• Behind your starting cabin.
  
• On the upper trampoline. Accessible via the trapeze.
  
• On the roof of your starting cabin. Accessible via tightrope.
  
• Jump onto the poles from the starting cabin to reach the next card.
  
• Walk into the cavern, and slide down. Take the right exit to collect a card.
  
• Another card is at the exit to the cavern before the ladder.
  
• Climb up a radio tower near Basic Braining.
  
• High in the mountains - from the entrance to the upper cave, jump left onto a cargo net (Requires Levitation). At the top of that net, jump to the net on the nearby tree. From the tree, jump onto the tight rope to collect the card.

1 Psi Challenge Marker

• From the second trampoline, jump onto the ladder and climb up.

1 Scavenger Hunt Item

• The Turkey Sandwich is frozen in a block of ice in the refrigerator. (Melt with Pyrokinesis.)

Emotional Baggage

Type

Bag

Tag

Hatbox

Near starting area

Across the gap

Steam Trunk

Shimmy across the ledge

Very close to bag

Dufflebag

In the field with machine gunner

In the field with machine gunner

Suitcase

Near by to cannon

On top of cannon

Purse

In trapeze area, jump onto plane's tail and go into fuselage.

Out in open

Obstacle Course 1 - The Trenches

73 Figments

• These are very hard to miss, as its the intro to the tutorial.

Obstacle Course 2 - The Cannon

79 Figments

• There are 6 figments after the cannon.
  
• There are 2 figments before the wall.
  
• There are 4 figments on the wall.
  
• There are 6 figments in the tightrope area.
  
• There are 3 figments in the trapeze area.
  
• There are 7 figments between the trapeze sets
  
• There are 15 figments on the rail.

3 Cobwebs

• In the wall area before the tightropes.
  
• Just before first trapeze
  
• In destroyed wall in the trapeze area before the rail (requires levitate).

2 Memory Vaults

• Cant really miss these

A tip for the railing, is to do each rail, and then when Bobby Filch appears, jump off and you will respawn at the top. Best pattern is Left, Right, Center.

Obstacle Course Finale

11 Figments

• There are 4 figments in the first tunnel.
  
• There are 3 figments in the log chamber.
  
• There are 4 figments in the last tunnel.

2 Cobwebs

• Before the last tunnel.
  
• After the last tunnel.

12 Psi Card

• On the way to the front entrance, one is located on a rock.
  
• Under the ramp leading to the main lodge
  
• On a radio tower leading to the parking lot
  
• Roof of main cabin
  
• On the front of the cabin.
  
• On a radio tower behind the cabin
  
• Behind the fence right of the kids cabins
  
• On the large parking lot sign
  
• On a tree that connects tho the large parking lot sign via tight rope.
  
• Between the upper and lower roofs of the main lodge (Jump from tightrope)
  
• In the outhouse near the parking lot.
  
• In the parking lot.
  
• In the parking lot, on the jeep.
  
• In the parking lot, reach the basketball hoop. (Double jump from rock behind the hoop.)
  
• In the parking lot, on the front log piece. (Requires Levitation)
  
• Behind a tree near the cliffs south of the ramp to the lake (to the right of the lodge going uphill).

1 Psi Challenge Marker

• On the roof of the lodge.

2 Scavenger Hunt Item

• Gold Dubloon - Located under the main cabin, near the two benches.
  
• Eagle Claw - In the tree that connects to the large parking lot sign via tight rope.

You can purchase things here.

1 Scavenger Hunt Item

• Voodoo Doll - In the upper rafters above the stage.

18 Psi Card

• One on top of the log bridge.
  
• Six surround the GDC, outside the fence.
  
• One above the tunnel to the beach.
  
• Under the dome on the ground, near the back.
  
• 3 in the trees above and east of the dome, along a single path by climbing vines and crossing branches.
  
• On top of the highest dome, you can reach by jumping from the first branch
  
• Behind a tree near the high rocks to the left of the tunnel to the beach
  
• On a rock near Ranger Cruller
  
• From the rock near Ranger Cruller, swing along branches to a higher rock.
  
• From this same spot, slide down the broken log.
  
• From this spot, across the river underneath the ledge.

2 Psi Challenge Marker

• Ranger Cruller's Shack
  
• Above the GDC, on the front left tree.

4 Scavenger Hunt Item

• Golden Acorn - Guarded by squirrel at the base of a tree on the outside of the GDC fence (Requires Invisibility to get it.)
  
• Miner's Skull - Stuck in the geyser behind the dome. (Requires shield.)
  
• Glass Eye - Behind a storm grate. (Requires telekinesis.)
  
• Pirate Scope - In the high rocks to the right of the lab.

Other

• Crow feather - next to the path leading to the boathouse and beach.
  (The item lets you use clairvoyance to see from the perspective of nearby crows in the area. Can also be used on other characters for laughs.)

2 Psi Card

• Walking down the stairs, you can see the card on the wall.
  
• Behind a screen in an examination chair.

1 Scavenger Hunt Item

• Fossil - On the ledge behind the entrance

Emotional Baggage

Figments

• 4 surrounding the ♥♥♥♥♥ caravan.
  
• 4 outside the egg.
  
• 16 leading up the ramp to the monster

Emotional Baggage

Figments

• 22 figments found near bed
  
• 10 figments reachable near disk (others require levitation)
  
• 15 figments near shoes
  
• 9 figments in final area, easily seen.

Memory Vaults

• Running on the bed.
  
• One vault is running around the cube, when shoe-side of the cube is open.

Cobwebs

• Inside an arched block
  
• Inside an arched block.
  
• Near the bottom of the stack of boxes.
  
• Near the censor on the stack of boxes.
  
• Near the flame section, behind a column.

Emotional Baggage

Figments

• 4 surrounding the ♥♥♥♥♥ caravan.
  
• 4 outside the egg.
  
• 16 leading up the ramp to the monster

Figments

• 5 between the monster and the first cliff.
  
• 11 above the cliff ledge
  
• 5 after jumping down
  
• 13 after climbing up the second cliff, before the spire.
  
• 12 at the base of the tower.
  
• 5 climbing up the thorn path.

16 Psi Card

• Under the ramps leading to the main camp area.
  
• On the rafter on an intermediate a boat dock. (Requires levitation).
  
• On the side of the lake.
  
• Near the diving sphere.
  
• Three on the roofing leading to the diving area.
  
• In the plant near Admiral Cruller.
  
• On the roof of the bathingsphere.
  
• On a mountain ledge above Admiral Cruller.
  
• In the trees, near the entrance to main campgrounds.
  
• Under the bridge to the main campgrounds.
  
• On a path above the exit to wilderness.

1 Psi Challenge Marker

• On the spire left of the lake.

2 Scavenger Hunt Item

• Psychonauts #1 - In the mountains.
  
• Diver's Helmet - In the mountains above Admiral Cruller.

21 Psi Card

• In the field alone.
  
• On top of a spiral mountain.
  
• Near a cave next to the tunnel.
  
• On the tree branch near secondary campfire.
  
• 4 are in the tunnel network.
  
• 2 are on the broken rail bridge
  
• Behind the tombstones
  
• 3 on the very large rocks
  
• In front of the large skull
  
• Behind the waterfall
  
• Tight-rope near the janitor
  
• 2 on the rocks near the tight-rope
  
• Above the upper entrance to the bear cave.

1 Psi Challenge Marker

• Past broken rail bridge.

4 Scavenger Hunt Item

• Condor Egg - Walk through the cave with the bear, slide on the left rail to the end (do not slide of the end!), then double-jump from that post to the nest with the egg.
  
• Fertility Idol - Find the bee's nest, shoot it with PSI blast.
  
• Cherry Wood Pipe - Sign pointing to the wilderness, large skull biting a car. To the left is the pipe.
  
• Dinosaur Bone - In a tree near Janitor Cruller, above a firepit. (Requires levitation.)

Other
There are a few "Deep Caches" in the area to use the dowsing rod on.

• Near the waterfall.
  
• Campfire area, on the right.
  
• In front of the campfire.
  
• Near tunnel tetwork.
  
• Next to ramp at GDC/Wilderness exit.
  
• On top of small spire near GDC/Wilderness exit.
  
• Near 2nd campfire.
  
• Two are in the tunnel near tunnel network.
  
• Past broken rail bridge.
  
• In clearing near Janitor.
  
• Behind the Janitor's shack.
  
• Behind tombstones.

2 Psi Card

• At the highest platform in the room.
  
• At the bottom of the room.

Emotional Baggage

79 Figments

• 2 in first room
  
• 7 in floor dome
  
• 4 leading to second door
  
• 6 on second floor
  
• 5 in secret area past second floor
  
• 13 in spring launcher room
  
• 7 above spring launcher
  
• 8 above hoop room (including near elevator)
  
• 4 through doorway
  
• 5 in second disco room
  
• 10 on hazard platform (including pole)
  
• 4 above hazard platform

2 Memory Vaults

• Bubble jump down to the platform and enter a small room
  
• Top of pinball room, go through corridor, vault is running on outer edge of bowl.

3 Cobwebs

• At the end of the first hallway, to the right of the giant monkey
  
• When you enter the pinball room, look behind the entrance
  
• Just after the pinball ramp, on the ledge with the railing you grind on.

57 Figments

• 14 at bottom of fan room
  
• 10 in bubble vents
  
• 6 in central fan stream
  
• 2 in front of the door
  
• 2 in front of Milla

2 Cobwebs

• Under the grate where you start the level
  
• In Milla's room on the very bottom

97 Figments

• A tip for this is to walk around the track after everyone has left

Emotional Baggage

Figments

• 4 surrounding the ♥♥♥♥♥ caravan.
  
• 4 outside the egg.
  
• 16 leading up the ramp to the monster

Figments

• 5 between the monster and the first cliff.
  
• 11 above the cliff ledge
  
• 5 after jumping down
  
• 13 after climbing up the second cliff, before the spire.
  
• 12 at the base of the tower.
  
• 5 climbing up the thorn path.

Figments

• 2 in the bathtub
  
• 1 in the thorny tower

Cobwebs

• Next to where the Monster was
  
• On path after monster, left wall
  
• Backtrack from 2, jump on ledge and go higher.
  
• In the bathtub, requires Levitation
  
• Final area, base of tree, along wall

Other
At the base of the tower is an item you can pick up to increase your maximum projection depth.

Emotional Baggage

Figments

• 
  
• 
  
• 
  

Memory Vaults
NOTE: The vaults in this level are very tiny.

• Prison area
  
• Small island with steamer trunk

5 Cobwebs

• Near the prison
  
• Behind the building under the purse tag
  
• On the dam, behind the hatbox bag
  
• In the city between the bridge and aircraft carrier.
  
• Behind the building before the grind rail bridge on the left.

Other
There is an ammo upgrade located on a large building past the dam.

Emotional Baggage

Figments (missing 21)(

• 9 in the start
  
• 17 at first two houses.
  
• 2 inside the second house
  
• 6 at third house (4 outside, 2 inside)
  
• 8 at fourth house (7 outside, 1 inside)
  
• 4 at road crew area
  
• 10 at fifth house (8 outside, 2 inside)
  
• 4 at telephone line area
  
• 6 at sixth house (obstructed by gardeners)
  
• 9 at seventh house (8 outside, 1 inside)
  
• 7 at eighth house
  
• 8 at ninth house
  
• 8 at tenth house
  
• 4 at graveyard (requires flowers)
  
• 2 at eleventh house (requires water)
  
• 3 inside hedge maze
  
• 1 behind hedge maze
  
• 4 at twelfth house
  
• 8 at thirteenth house
  
• 6 at fourteenth house
  
• 8 at fifteenth house
  
• 6 at supermarket
  
• 4 at the house after the road crew

2 Memory Vaults

• Outside the Cemetery
  
• In the park. Go to hedge trimmer house, equip phone, climb pole, and grind on wires to park.

5 Cobwebs

• Covers fourth house entrance
  
• At tenth house (past sewer area)
  
• At fourteenth house
  
• At supermarket
  
• At sniper tower

Emotional Baggage

Figments

• 9 in audience
  
• 9 in the upper audience section
  
• 7 in the music area
  
• 4 left of the back stage
  
• 8 leading to dressing room
  
• 3 leading to Bonita's room
  
• 10 in Bonita's room
  
• 3 on storeroom floor
  
• 12 in storeroom's upper sections
  
• 2 leading to the spotlight
  
• 5 in first stage, good mood
  
• 8 in the first stage, bad mood
  
• 8 in second stage, good mood
  
• 10 in second stage, bad mood
  
• 5 in third stage, bad mood
  
• 3 in third stage, good mood
  
• 7 at first catwalk section
  
• 4 at first trapese section
  
• 4 at trampoline section
  
• 6 at cloth slide
  
• ? after cloth slide
  
• 2 at choppers
  
• 3 on slide
  
• 3 on second trampoline section
  
• 5 on second trapese section
  
• ? at final trapese section
  
• 1 after the phantom

2 Memory Vaults

• Enter the storage room near her dressing room.
  
• After you find the hatbox tag, jump down to the lower catwalk to find
  this vault hopping around.

5 Cobwebs

• Left of the stage, in the audience area
  
• Left of the stage, in the audience area
  
• Left of the stage, at the back
  
• Blocking the dressing room
  
• In the storeroom, at the first ladder
  
• In the storeroom, below the tightrope
  
• In the balcony seats

Others

• There is a PSI aggression capacity upgrade on the upper audience. Jump from spotlight, to the 3 audience balconies.\
  
• There is a confusion ammo upgrade. When you slide down the cloth in the catwalks. MUST COMPLETE BLACK VELVETOPIA FIRST

Emotional Baggage

Figments

• 13 in the game room.
  
• 3 on game board
  
• 8 in carpenter's house
  
• 2 at the guillotine
  
• 4 at peasant's house
  
• 3 peasant's house to gillotine
  
• 5 Guillotine to silo
  
• 3 in silo
  
• about 50 or 60 at escargot farm (punch trees)
  
• 8 above carpenter's house

2 Memory Vaults

• Carpenters house, defeat large censor.
  
• In the castle, near where you TK cannon into the river.

5 Cobwebs

• 1 near the carpenters house
  
• 1 at the guillotine
  
• 1 blocking entrance to left tower
  
• 1 blocking upper entrance to right tower
  
• 1 under arch
  
• 1 behind Fred's castle
  
• 1 on side window at castle

Others

• Maximum projection depth is located in the arch on the far side of the map.
  
• Ammo upgrade is located above the second peasant house.
  
• Confusion ammo upgrade is located on top of the knight's house. Only available once you have confusion grenades.

Emotional Baggage

Figments

• 3 in first area
  
• 6 in second Clubs alley
  
• 1 by placing the window painting near the Queen of Hearts
  
• 1 by placing the window painting in the secret area
  
• 1 high up, using levitation to jump back down the bull's alley from the two-tiered balcony with a levered fire escape next to the hearts painting.
  
• 1 in the basketball basket in the sewers
  
• 
  

2 Memory Vaults

• In the sewers, follow the sidepath and you will find this vault running through it.
  
• At the end of the alley past the second artist, use the vine painting to reach a rooftop. The vault is wandering around in the garden up here

5 Cobwebs

• Guitar Ladder
  
• In the first tunnel, is a side tunnel
  
• Sewers, second main tunnel (near vault)
  
• Climb the ladder you lowered before the fight. Hang window painting, take passage.
  
• Before Matador's apartment.
  
• Fireplace in Dingo's house.
  
• Follow fireplace to last cobweb.

Others

• Near the suitcase, you can pickup a confusion ammo upgrade: you can carry one additional confusion grenade.
  
• Ammo upgrade - High up, using levitation to jump back down the bull's alley from the two-tiered balcony with a levered fire escape next to the hearts painting.

Psi Cards

• On the ladder
  
• Left of the asylum main door
  
• On the right balcony near the front
  
• Two on outer fourth floor, on a broken part of the outer wall, other on the broken window.

Psi Challenge Markers

• Jump up from the front gates of the asylum, near the milkman.

Psi Cards

• Near the elevator
  
• Two on the path to Black Velvetopia

Psi Challenge Markers

• Found at the top of Edgar's room.

Brains

• JT - Enter the gate, turn to the left wall.
  
• Frankie - Right at the blocked off tower entrance.
  
• Kitty - Left of the thorny entrance to Gloria's Trophy room.

Brains

• Milka - Near Fred Bonaparte in a basket. Use Invisibility and smash the brain.
  
• Chloe - Above the sleeping area.
  
• Maloof - Above the sleeping area, accessible by two swinging poles.
  
• Chops - On the ledge near Black Velvetopia

Psi Cards

• First floor, behind wall of beds
  
• Second floor, in a side room blocked by a wooden barricade.
  
• In the elevator shaft, on top of the lower elevator.
  
• At the large hole for between the second and third floor.
  
• Next to the entry to the third floor.
  
• On the fourth floor, when outside and climbing up.
  
• On the fifth floor, on the outside.
  
• Sixth floor, located outside during the climb.
  
• Seventh floor, in the first side room
  
• Across from the first slime pit.
  
• After climbing from the floor of the slime pit room, found on the table.
  
• In the slime pit room, found on the remnant of a collapsed room.
  
• In the broken section of the tower, on a broken piece of the floor before the swinging poles.
  
• When climbing the metal grill in the broken section, found at the hole in the grill.
  
• After completely climbing the metal grill, on a ledge to the side.
  
• On an outside ledge of the tower, just after the penultimate warning.

Psi Challenge Markers

• In the upper section just before the two large rooms with windows. This is located on a heavy pipe - walk along the pipe as far as you can, and double jump to touch the marker.

Brains

• Benny - 2nd floor, near toilet. Smash wooden barricade to the right of the stairs.
  
• Bobby Zilch - 2nd floor, exit elevator and climb the fallen floor. Near the brown pipe, slide across a gap, there is a doorway on the left.
  
• Elka - 4th floor, after exiting the door outside, levitate jump to a broken floor above.
  
• Quentin - Slime Pit room, jump along the arches until you get to the window.
  
• Dogen - Ledge outside of the tower. Drop from the ledge above or the ledge directly above the stairs.
  
• Phoebe - Ledge outside of the tower in the broken room. When climbing the metal grill, use a hole in the grill to get to the other side.
  
• Crystal - Upper part of the broken room, after the metal grill. Found on the ledge in the corner.
  
• Clem - In the left of the two upper rooms with large glass windows. Enter the left room through the hole in the ceiling.
  
• Nils - Above two rooms, after riding the pipe and climbing the metal grating.

Psi Cards

• Near the Raven trap
  
• Dr. Loboto's lab

Brains

• Vernon - Near the crow trap.
  
• Elton - At the top of the tower.
  
• Mikhail - At the top of the tower.

Other
There is a gold watch in the fountain.

Emotional Baggage

Figments

• 11 figments are outside the big top.
  
• 12 are on the first floor of the big top. (This doesn't include the ladder)
  
• 8 can be found until reaching the second bunny pickup.
  
• 12 can be found between the second and third bunny locations.
  
• 16 can be found between the third and fourth locations.
  
• 5 can be found between the fourth bunny pickup and the tent exit.
  
• 11 are found on the other side of the big top.
  
• 20 are found on the rail for the tunnel of love. The blue bunny is off-rail, and requires a jump to reach.

1 Memory Vaults

• At the very top of the first tent, you will find the last vault on the last platform before the exit.

3 Cobwebs

• As soon as you enter the caravan at the start of the level, the web is in the first hallway.
  
• This web is in the same area as the previous.
  
• Upon exiting the first tent, check the sides of the exit to find the last cobweb

Others

• Confusion ammo up located behind the steamer bag.

Thank you Rellik66 for your 100% achievement guide! I take no credit for their work that I have used in this guide. (This is just the achievements, their requirements, and the images for them.)

Thank you justinsl1986 for your in depth location guide on GameFAQs which helped me find the missing pieces.

Kids Cabin Area

• Go directly straight ahead out of your bunk. Under the pathway leading up to Coach Oleander's class
  
• Hang a left from the previous card, and climb the pole. At the top
  
• You should be able to see the third card from where you found the previous. It is located on a tree branch directly to the north.
  
• Go to the right and follow the path back down towards the bunks. When the path ends, there should be an outhouse in front of you, and a bunk to the left. The card is behind the bunk.
  
• Go into the outhouse by pressing the triangle button, the card is in there.
  
• Use the trampoline next to the next bunk to reach the roof. The card is on the roof of the bunk.
  
• Follow the tightrope from one bunk roof to the next. The card is on the next roof.
  
• From the previous, you should see some poles you can swing on. Use them to reach the netting on the tree and jump from there to the caveside where the next card rests.
  
• Go into the cave and slide down the mud. Jump into the alcove on the right when you see it and follow it down. The card is directly to the left after you come out onto another path.
  
• Follow the path in the cave and the card is directly in front of the ladder.
  
• Proceed back to the trampoline next to the second bunk. Once you reach the tightrope connecting the two roofs, turn right and you should see a trapeze you can swing on. Use it to reach the next trampoline, where the next psi card is waiting.
  
• Levitation is required to reach the last psi card in this area. Reach the cave entrance and use levitation to reach a net climbing up a nearby ledge. There is a tightrope above you, but first you need to jump to another net and then jump to the tightrope

Main Campgrounds

• Turn right and you should see the card through a hole in the fence.
  
• Then go straight ahead and under the ramp leading to the main lodge is the next card in the area.
  
• Continue up the path around the main lodge until you see a couple picnic tables. Near the tables is a pole you can climb up.
  
• From the previous card, walk across the tightrope. Half way across you will see the card on the rope.
  
• Continue across the tightrope from the previous, and you will see the card directly in front of you.
  
• Jump to the roof of the lodge from where you are. The card is on the opposite corner of the roof.
  
• Follow the tightrope from the previous card to yet another tower containing a psi card on the top.
  
• Jump down from the tower and follow the path. On the right side on top of a rock is the next psi card.
  
• Continue down the path until you see a parking lot. Turn right just before the lot and you should see an outhouse
  
• In the parking lot is a basketball hoop. The card is on top of the hoop, but too high to just jump to. Near the back of the hoop is a big rock. Jump on top of the rock, and double jump to the hoop to grab the card.
  
• On the opposite side of the parking lot is a jeep. Jump on the stump behind it and then on top of the jeep to reach this card.
  
• Levitation is required to reach this next psi card. In the middle of the parking lot is a large stump. Levitate to the top of it
  
• Right before the parking lot ends, near the path leading back to the lodge you will see a card on a branch near a trash can.
  
• Start heading back up to the main lodge and turn right to see a formation of rocks. You need to scale these rocks to reach this card on the top.
  
• Continue scaling the rocks until you reach a platform. Use the trapeze to reach the tower
  
• From this tower, there is a tightrope leading to a large wooden sign.
  
• Travel back to the area with the picnic tables near the lodge. Off to the right is a large rock with a tree next to it.
  
• Climb back up the tower near the tables and halfway across the tightrope. Turn towards the lodge and you should notice the card inbetween the two roofs. Just jump across to reach it.

Ford's Sanctuary

• On the very bottom of the sanctuary, there is a card near the entrance structure.
  
• From the entrance turn to the right and look up to see the card. Use the platforms to reach it.

GPC and Wilderness

• Turn to the right from the entrance and follow the path. Above the cave that leads to the Boathouse is the card. Use the rocks next to the cave to reach it.
  
• Near the cave entrance is a set of rocks. There is a tree up the slope near these rocks. Continue to jump up the left side of the slope
  
• Follow the path until you end up around the outer edge of the fence. Keep going around close the fence.
  
• Right near the previous psi card is another next to a nearby tree.
  
• Keep going around the outer edge to find another card on a tree limb on the ground.
  
• Next to the bear on the outer edge is yet another card on a tree limb.
  
• From the previous card, just a little further along is a rock formation. Climb the first rock
  
• Further up the rock formation is another card. Just jump from rock to rock
  
• There is another large rock formation nearby. Climb to the top
  
• From the cabin, turn to the river and follow it up stream away from the domes to reach this card on the left bank.
  
• On top of the large log in the center lies this card. Use the small chunk on the side to reach it.
  
• Under the domes, near the back fence
  
• Use the spikes on the central dome to reach the top
  
• From the central dome, look to the east to see a card on a branch. Jump to the tree and climb the vines to reach the branch.
  
• Follow the branch, using another one to swing across the gap. After sliding down the next one, climb the vines
  
• Once you reach the top of the last tree, where a challenge marker lies, use the nearby branches to reach yet another tree. Climb down the vines
  
• Return to the large rock near the cabin. From the top of the rock, use the two branches to reach the top of a tree. Swing to the nearby ledge
  
• From the ledge, follow it until you reach the large log that slides down. The card is in the log, just slide down to get it.

Sasha's Underground Lab

• Follow the path partially down and you should see the card on a ledge on the right side.
  
• At the bottom of the room, behind the reclined chair and white statue.

Boathouse and Beach

• Under the first part of the path leading from the main campgrounds
  
• Under the second part of the path leading from the main campgrounds
  
• Make a right once you reach the beach, and follow the path. Right side behind the bushes near the boathouse.
  
• Levitation is required to obtain this card. Use levitation to reach the roof of the boathouse. On the mast
  
• From the mast, psi float over to the nearby cave, out front
  
• Return back to the mast and jump down to the netting below. Under the next mast is the next card.
  
• This card is right next to where you found the previous, just jump up on top of the path covering.
  
• Continue along these coverings until you reach rails leading up to the bathysphere roof. Go up these rails as far as you can and psi float to the nearby roof

Boathouse and Beach Cont.

• Jump onto the nearby rock, and then back down to the path.
  
• Return to the bottom of the path leading from the main campgrounds. Go off to the right and hug the cliff. Follow this around
  
• Go to the pier in the middle of the lake. Card on a nearby rock. Levitate jump and psi float over to it.
  
• After returning to the central dock, levitate over to the next dock, where this card is resting on a support.
  
• Return to the bottom of the path leading from the main campgrounds. Hug the nearby wall again and go partially around this time. Jump up on the ledge, and jump up again
  
• Continue up the path from where you found the previous card. Use the branches to swing over the gap
  
• From the previous card, follow the path up just a bit. You should see a rock on the left side near the edge. From the rock, jump to the swings and continue to swing across.
  
• Continue swinging along, and this card is on a platform at the opposite end of the set of swings.

Reception Area

• When you come into this area from the main campgrounds, go straight ahead when you pass through the camp fire location. Walk a little bit along the path and then jump over the fence on the left side to find this card inbetween trees and rocks.
  
• Continue up through the trees from where you found the last card. You should come to a tiny little graveyard with a couple headstones.
  
• Directly in front of the mine entrance near the building Cruller is at.
  
• Go into the mines and you will find this card in their.
  
• This card is in the mines as well.
  
• Once you near the end of the mines, their are a couple tracks that go over the edge.
  
• Before grinding along the tracks, jump above the mines exit to find this card on top of a rock.
  
• Grind along the left track at the end of the mine
  
• Levitation is required to obtain this card. Return back to the structure where Cruller is. Nearby is a tree with a tightrope attached to it. Levitate jump up on the tightrope to find this card there.
  
• Continue across the tightrope to find this card past a tree.
  
• Go through the swamp and you should see a nearby rock formation. Climb to the top of the large rock
  
• Levitation is required to obtain this card. From the top of the rock formation, levitate jump and psi float over to this card on top of a tower over the swamp.
  
• There is another rock formation near a large tree near Cruller's location. Scale this one to reach another card.
  
• Levitation is required to obtain this card. Jump to the first branch of the large tree to find this card.
  
• From the previous card, turn towards Cruller's location and you should see this card on a nearby rock. Climb the rock to get the card.
  
• Levitation is required to obtain this card. Turn back around and go a little ways away from Crueller. Levitate up on top of the nearby support
  
• Continue on and climb the large set of rocks. Cross over the river and jump on top of the high rock
  
• Overlooking the swamp is a large tree with a car in its trunk. This card is directly in front of it.
  
• From the previous card, turn away from the tree to see the card on a ledge across the swamp below. Jump over the swamp to reach this.
  
• Next to the GPC and Wilderness entrance, you should see a large formation with a path spiraling around it. Reach the top
  
• In the swampy river, follow it around until you find the waterfall. The last card in this area resides behind this waterfall

Asylum Grounds

• As soon as you beginning climbing up to the asylum, this card is on the second ledge.
  
• Levitation is required to obtain this card. After completing the Milkman's Conspiracy, enter the asylum grounds. When you reach the area with the fountain, turn around and levitate jump on top of the left column
  
• At the opposite end of the grounds where you came in, the card is to the left of the Boyd.
  
• Upon entering the grounds, turn right at the fountain and smash through the cart. Go to the right and you will find the card at the end of the path.

Asylum Lower Floors

• When you enter this area, go forward and to the left. Jump up on the platform and double jump
  
• From the previous card, swing across the gap, and then swing across the next. Jump over to the tiny ledge where this card is waiting.
  
• Jump to the tightrope and enter Edgar's art room. After the conversation, the card is in the room.
  
• From Edgar's room, jump over the gazebo

Asylum Upper Floors

• Go through the first hall and jump over the pile of beds.
  
• Go up the stairs in the first hall, and then cross over the gap to the right. Smash the boards covering the door and you'll find this card in the corner.
  
• On the second floor, cross the large gap in the floor using the pipes, and go into the elevator shaft to the left.
  
• After jumping down the elevator shaft, grind the pipe to cross the gap. Jump on top of the mound on the right side and through the hole in the ceiling.
  
• This card is in the same spot as the last, just check the ledge.
  
• After climbing the second set of stairs, go through the room on the right and out the window. In the next room this card is waiting on the outer ledge.
  
• Turn around and levitate up to the top outer ledge in the first room.
  
• Continue to levitate up around the outer ledge, and you will see this card on the next floor up.
  
• Climb around the spiraling steps, and go into the room on the left and behind the bed.
  
• Continue up the path, and you will get swarmed by rats. Shortly after this will be a room partially filled with radioactive waste. On the far side of the room
  
• In the room with the radioactive waste, climb up the ladder on the side.
  
• In the same room, there is a card on a high platform. You can levitate around the outer edge near the top and jump over.
  
• At the top of the room with the radioactive waste, there is a platform
  
• Near the top of the same room, there is a grating with a pole jutting near it. Levitate to the platform.
  
• Levitate up and climb the grating from the previous card. You need to get around to the outside and climb up from there eventually. At the top, levitate up to a platform.
  
• At the very top of the radioactive room, you'll find a rail you can grind to the outer edge.

Dr. Loboto's Lab

• Right next to the crow that pushes the button.
  
• Behind a machine next to Dr. Loboto.
  
• Go around the balcony at the top
  
• Go around the balcony at the top

Basic Braining

Brain Tumbler Experiment 1, 2, 3

Sasha Shooting Gallery

Milla's Dance Party

Lungfishopolis

Milkman Conspiracy

Gloria's Theater

Waterloo World

Black Velvetopia

Meat Circus

Basic Braining

• Top of wall with poles you swing on
  
• Before first Trapeze
  
• After many trapeze, but before grinding rail

Brain Tumbler Experiement 1, 2, 3

• Area with big monster
  
• Defeat big monster, climb ledge, swing on branches.
  
• 4 group of censors, after the suitcase. On the left
  
• Thorn tower, right side of its base
  
• Before Thorn Tower, levitation stone on the path.

Sasha's Shooting Gallery

• Next to bed, under arch block.
  
• Opposite side of the bed, under another arch block.
  
• 3rd leak, back side of the large stack
  
• 3rd leak, half way up large stack of boxes
  
• Base of the fire steps after 4th leak.

Milla's Dance Party

• After learning psi float. Cross gap
  
• Large pinball room, turn around at entrance
  
• Top of pinball room, outer wall
  
• Under the grating at the start of level "The Party"
  
• Last room where everyone is dancing, go to bottom

Lungfishopolis

• 2nd news flash, behind tower
  
• After laser tunnel, turn right
  
• Top of the dam, right side, behind silo
  
• Top of the dam, destroy buildings, behind a tower
  
• Split path, go right

Milkman Conspiracy

• 3rd house, front door
  
• Sewer workers, house on left, garage
  
• House before locked door, blocking front door.
  
• Clairvoyance on the spy at the post office, cobweb is in the next doorway

Gloria's Theater

• Under Jasper
  
• Same area as last web
  
• Ladder opposite of Jasper, levitate to high seats
  
• Back of the stage, in the corner
  
• Storage room, blocking hallway
  
• Storage room, climb the ladder
  
• After getting candle, drop down to the platform

Waterloo World

• Side of large building near farmer and knights house, path down
  
• Farmers house, large guillotine
  
• Side of the carpenters house
  
• Chimney of the restaurant to cross the river to an arch
  
• Left of the castle bridge is a little room
  
• Roof of the room you took the previous cobweb from, levitate to next roof
  
• Bridge of castle, turn right, look up

Black Velvetopia

• Guitar painting on the hook, climb
  
• After queen of hearts, in sewer
  
• In sewer, side path
  
• After queen of diamonds, return to ledge and follow to find a hook, use window painting
  
• 4th artist is a ladder, climb into apartment
  
• Fireplace of Dingo's apartment
  
• Fireplace of Dingo's apartment, in secret passage

Meat Circus

• Enter the caravan, first hallway
  
• Same area as previous
  
• Exit first tent, check the side of the exit

Basic Braining

• After target practice
  
• Before first trapeze

Brain Tumbler Experiement 1, 2, 3

• Outside ♥♥♥♥♥ caravan
  
• Base of thorn tower

Sasha's Shooting Gallery

• Climb on bed
  
• 3rd leak, search the side of cube

Milla's Dance Party

• Room with bubble fan, look down to see a platform with a figment. Theres a secret room
  
• Top of pinball room, vault is running on outer edge of bowl

Lungfishopolis

• After laser tunnel,under blimp, vault in far corner
  
• Path splits, take the right, cross bridge, vault is directly after the bridge

Milkman Conspiracy

• Left of the graveyard
  
• Equip phone, phone worker, climb pole. Cross powerlines, go to park.

Gloria's Theater

• After Bonita, enter storage room, near dressing room
  
• After hatbox, jump down to lower catwalk

Waterloo World

• Roof of carpenters house
  
• Cross castle bridge and jump onto large circular room

Black Velvetopia

• In the sewers, side path
  
• End of the alley past the second artist, use vine painting to reach the rooftop

Meat Circus

• Top of the very first tent

Kids Cabin Area

• Trampoline next to second bunk. Climb tightrope, use trapeze, climb ladder, marker is on corner of tree

Main Campgrounds

• Near picnic benches, climb pole, tightrope. Jump on roof, marker in the middle.

GPC and Wilderness

• Go through large log, hang a left. Climb the rock formation and turn to see a cabin. Jump into cabin.
  
• Behind the central dome is a tree with vines. Climb them to reach a branch. Swing on other branch. Jump to reach another tree with vines and follow to top.

Boathouse and Beach

• Go to the bottom of the path leading from the main campgrounds. Hug the nearby wall and climb up the ledge. Turn to see a large rock near the beach, with the challenge marker on top of it. (require levitation)

Reception Area

• Find the large tree and look away from Crueller's location. Off to the left just a little bit away, there is an alcove leading to a sealed off mine.

Asylum Grounds

• Levitate up to a ledge to the left of the asylum gates to find this challenge marker

Asylum Lower Floors

• In Edgar's art room, use a levitate jump to reach the rafters. The challenge marker is on them in the center of the room

Asylum Upper Floors

• Very top of this area, you will notice the challenge marker floating in the air

Kids Cabin Area
• Turkey Sandwich: Requires Pyrokinesis. In the cave, open the refrigerator.

Campgrounds Main
• Gold Doubloon: Underneath the camp lodge.
  
• Eagle's Claw: On platform near parking lot of reception area.
  
• Voodoo doll: Inside Lodge, in rafters above stage.

Wilderness
• Pirate Scope: On a high rock edge near the cave to the boathouse.
  
• Golden Acorn: Guarded by Squirrel near cave that connects GPC and boathouse, requires invisibility.
  
• Glass Eye: At the end of the river, requires telekinesis.
  
• Miner's Skull: In one of the geysers, requires shield.

Sasha's Underground Lab
• Fossil: On a ledge, go up stairs and you should locate it, requires levitate.

Boathouse and Beach
• Psychonauts Comic #1: In a tree you need to swing to in the Boathouse area.
  
• Diver's Helmet: In the cave above the boathouse, requires levitation.

Reception Area
• Condor Egg: In a nest, go through mine shaft and grind rails to get it.
  
• Fertility Idol: In beehive near Janitor's trailer. Use Psi blast on beehive and then get invisible to avoid damage.
  
• Cherry wood Pipe: In a tree near a truck in the parking lot.
  
• Dinosaur Bone: Near the janitor's trailer that's in a tree around a burnt out campfire.

Asylum
• Gold Watch: On top of fountain in the asylum courtyard.

Tower Courtyard
• JT - Enter the gate, turn to the left wall.
  
• Frankie - Right at the blocked off tower entrance.
  
• Kitty - Left of the thorny entrance to Gloria's Trophy room.

Atrium
• Milka - Near Fred Bonaparte in a basket. Use Invisibility and smash the brain.
  
• Chloe - Above the sleeping area.
  
• Maloof - Above the sleeping area, accessible by two swinging poles.
  
• Chops - On the ledge near Black Velvetopia

Lower Tower
• Benny - 2nd floor, near toilet. Smash wooden barricade to the right of the stairs.
  
• Bobby Zilch - 2nd floor, exit elevator and climb the fallen floor. Near the brown pipe, slide across a gap, there is a doorway on the left.
  
• Elka - 4th floor, after exiting the door outside, levitate jump to a broken floor above.
  
• Quentin - Slime Pit room, jump along the arches until you get to the window.
  
• Dogen - Ledge outside of the tower. Drop from the ledge above or the ledge directly above the stairs.
  
• Phoebe - Ledge outside of the tower in the broken room. When climbing the metal grill, use a hole in the grill to get to the other side.
  
• Crystal - Upper part of the broken room, after the metal grill. Found on the ledge in the corner.
  
• Clem - In the left of the two upper rooms with large glass windows. Enter the left room through the hole in the ceiling.
  
• Nils - Above two rooms, after riding the pipe and climbing the metal grating.

Upper Tower
• Vernon - Near the crow trap.
  
• Elton - At the top of the tower.
  
• Mikhail - At the top of the tower.

• Pyrokinesis: Reach Psi Cadet Rank Level 10
  
• Telekinesis: Reach Psi Cadet Rank Level 20
  
• Invisibility: Reach Psi Cadet Rank Level 30
  
• Basic Braining: Obtained after completing Coach Oleander's Level
  
• Oarsman: Obtained from Sasha after reaching the "Thorn Tower" (during second visit) in the Brain Tumbler Experiment
  
• Marksmanship: Obtained after completing Sasha's level
  
• Levitation: Obtained after completing Milla's level
  
• Shield: Obtained from lungfish after freeing them from prison during Lungfishopolis
  
• Clairvoyance: In the fridge at the start of the Milkman Conspiracy level
  
• Confusion: In Black Velvetopia, go see Dingo in his apartment before obtaining all four cards and challenging the boss.