So, you start by waking up to a rather bleak weather report.

In front of you is a Moonman comic. There is one issue per chapter. Pick it up and 'read' it. This is required for the Cosmic Marveller achievement.

ACHIEVEMENT: "Cosmic Marveller" (1 of 6). Issue #1 "Far Crossing".

Pick up the space suit and hit [Tab] for the Astrotool. This will give you progress on your mission as well as a listing of the current state of dossiers. Head on out of the room.

• "The Mission" #1 "MPT Network Dish" (scan). In front of you on the way to the main building is the first scanable item, a dish in the sand.

ACHIEVEMENT: "The First Of Many Courses" - scan the MPT Network Dish.

• "The Johanson Family" #1. "A Mother Lost" (scan). If you pop into the trailer on the left, you can see, on the left, a memorial to Elizabeth Johanson.
  
• "The Mission" #2 "Sputnick Monument" (scan) Exiting out and proceeding to the building, there is a monument to Sputnik.

Easter Egg: If you look to the right of the monument, there is a model rocket you can launch.

You can try to open the door, but it will short. Climb up the ladder and turn the valve, then return to the elevator.

Once inside, you will need a code to open the door. Hint: Doesn't everyone keep their pass codes on yellow stickies? Answer: 3548

Proceed further inside.

ACHIEVEMENT: "You Spin Me Right Round". hint: In the office, there are objects you can interact with. Answer: keep spinning the globe it until achievement is unlocked

• "The Mission" #3 "Fortuna" (scan) - scan the whiteboard in the office.
  
• "The Malfunction" #1 "Maria's Broken ASE Unit" (scan) . In the next room there is an ASE unit on a workbench.

In the next room, move the gurney away from the door and proceed inside. Turn on your flashlight and continue upstairs to the cafeteria.

• "The Mission" #4. "Last Minute Check-up" (audio). Walk through the 'audio file' to trigger the playback.

ACHIEVEMENT: "Learning To Listen" - Listen to "Last Minute Checkup-up".

ACHIEVEMENT: "Environmental Analysis Part I" - Assuming you have collected the previous 3 Mission database entries, "Last Minute Check-up" will trigger this achievement.

• "The Johanson Family" #2. "Claire's Rocket Model" (scan). In front and to the left of the audio file.

Go up the stairs to the control room and use the console to [Reboot].

Exit the control room and enter the main rocket area.

On the left and right of the rocket there are ladders leading to the hydrogen control wheels. Take either side, climb the ladder and turn the wheel. Get down and approach the other one. The ladder will break.
Hint: Wasn't there something you encountered on your way here that would help in this situation? Answer Call up the elevator and get that ladder from below up here.

Once both valves are closed go back inside.

Turn the key, wait for the cut-scene to end and then high tail it to the rocket. 90 seconds may not seem much, but as soon as you climb the last ladder to the rocket, the first timer will end.

ACHIEVEMENT: "In the Nick Of Time". Wait until a few seconds are left on the timer (I think 5 or less) before reaching for the final ladder up to the rocket.

ACHIEVEMENT: "Houston, We've Had A Problem". Once in the cockpit, find a few creative ways to screw up the launch.

Follow the instructions to the left for lift off.

ACHIEVEMENT: "Fly Me To The Moon" - Achieved upon successful liftoff.

Ever wanted to dock a capsule into a space station? Well, this is your chance.
You start the chapter with a relaxing (well, relaxing if you don't stomp on the "W" gas) mini-game to try and keep the 'meatball' on the target. Once docked, you experience a little weightlessness and some light oxygen deprivation. Don't worry, there is enough oxygen to get around.

Here is where one of the most easily missed scan items lives. After exiting the capsule through the first airlock, glance out the window to the left.

• "The Johanson Family" #3 "MPT Tansmitter" (scan). Look outside. A 'blink and you miss it" item.

What follows is a mini-puzzle complicated by the fact that you are floating through the air and on limited oxygen.

If you need help getting into the station:
In the first section, there is a He3 cell. Find it and bring it to the receptacle in the red corridor. This will open up the door to the space station (and expose an oxygen canister). To the left you will find another cell. Bring it to the inside of the air lock door (to open it from the inside) and take the outer cell back inside. Plug that in to the left of the computer screen. Take the cell holding the airlock open from the inside and plug it into the right side of the computer screen. Now you should be able to [Reboot] and restore oxygen to the station. And, along the way there is plenty of oxygen canisters in the room to the right to keep you refilled while you are proceeding with this task.

ACHIEVEMENT: "Gasping For Air" - Although there are many opportunities to get this in the game, here might be an excellent time to try and earn this achievement. Simply hold off in the 'room of many oxygen canisters' until you have a few seconds of air left and grab an oxygen canister before using the terminal to [Reboot].

Once power has been restored, drop down a door that opened below the computer screen.

• "The Blackout" #1 "Descent" (audio) can be found in the elevator room.
  
• "The Blackout" #2 "Pearson Space Elevator" (scan) can be found in the elevator room.

Proceed out the door facing PYXIS and down to LYBRA. The door to SLEEP QUARTERS should be open enough for you to enter.

• "The Blackout" #3 "Preparations" (audio). Inside Sarah's room there is an audio file.
  
• "The Malfunction" #2 "Cryosleep Machinery" (scan) - Inside Rolf's room there is a floating piece of machinery.

ACHIEVEMENT: "Cosmic Marveller" (2 of 6) - Issue #2 "First Contact" - In Rolf's room.

ACHIEVEMENT: "Moonbear" - Hint: What was Rolf using that telescope for? . Answer: Look through the scope long enough and you will see a space bear float by.

Use the code to get into the control center. hint: What was that about yellow sticky notes and pass codes? Answer: In Rolf's room, 2539

Use the console in the Control Room to [Diagnose the MPT Network], then [Contact moon base].

ACHIEVEMENT: "Have A Seat" - Hint: You see that chair floating in front of you to your left? That could be useful. Answer Push the chair through the ORION airlock once opened.

Proceed into the corridor and play a mini-game to open the airlock with the laser. Hit the airlock button and proceed to get the laser and open the door. Proceed to cut your way through the maze (collecting oxygen as necessary) until you get to the airlock and enter ORION.

• "The Blackout" #4 Blackout (audio) - just as you enter ORION.

Proceed through the maze of storage.

• "Outward" #1 "Orion Wing Plate" (scan) - Towards the end of the maze there is a scan item on the left.

Proceed into MAINTENANCE. In MAINTENANCE, cut the hatch, enter the room turn left twice and cut the fuse at the end of the room (you might have to move a panel away from the fuse). Proceed back out the hatch.

What follows is an every increasingly difficult mini-game in which you have to retrieve the cells from each compartment, plug them into the Rotation Engine 3 holder and then turn the wheel to get to the next compartment.

Even though you get 'life support' warnings, this isn't a 'loss of oxygen' situation - yet. Make your way back to LYBRA, through the SLEEP QUARTERS back to the CONTROL ROOM. Use the control panel to [Activate rotation engine]. Now that power and gravity have been restored, stroll calmly to the elevator and ride down to the surface to see what's up.
JK. Ooopsie. What did you do? What follows is a race against time unplanned space walk. First you have to hit the "F" key to grab at the first large piece of debris you can. Then you have to follow the oxygen canisters and red outlined pathway markers until you can use your laser to open the door and gain access to the elevator, mash down the activate button and strap yourself in to the ride down to the moon base.

ACHIEVEMENT: "A Light At The End Of The Tunnel" - Awarded when taking the elevator down to CM.

Welcome to Moonbase Alpha.

First order of business is to use the console on the inner ring to [Open Doors] to gain access to the base proper.

As you exit the elevator, look down at the 'main hall' - there is a large stone monument at the end of the room. Also, if you glance to your left, you will see a blue outline of a hologram. For now, proceed through the doorway with the audio recording to the COUNCIL area.

• "The Blackout" #5 "Arrival" (audio).

Enter the Issac's bedroom (2nd door on the right).

• "The Johanson Family" #4 "Kathy's Place" (scan) a small bunk area in the back right of Issac's bedroom.

There is some more back story items in William and Rosa's room, but nothing regarding achievements or dossier entries.

You can look at the podium for notes on a speech you will hear later.

As you turn the corner into the COUNCIL's office area, both William and Issac's offices are locked, but Rosa's office contains the first hologram you will see (this was the blue outline you saw coming in) as well as the Rosa's broken ASE.

• "Outward" #2 "Conspirator's Dissent" (holo). As you approach the ASE, the hologram will autoplay.

ACHIEVEMENT: "The Witness" - Awarded after viewing "Conspirator's Dissent"

Pick up the ASE unit and carry it out of COUNCIL and into MAINTENANCE. Place the unit in the repair bay and then follow the instructions to find replacement parts to repair the unit. While playing seek the parts around the room, you might as well blast that cover off that conduit. Once the network comms have been fixed, the ASE will show a busted thruster. The parts for that are in Issac's workshop...while there note the back power generator with an ASE activation port. Fix the ASE thruster. Use the console to [Reboot] the unit (which will overload power). Say hello to your new 'little friend' and then use him to go through the piping, into Issac's workplace and then turn power back on.

ACHIEVEMENT: "The Mechanic" - Upon successful repair of the ASE.

• "The Johanson Family" #5 "Growth Chart" (scan) - To the left of the back door on the first floor is Kathy's growth chart.
  
• "The Johanson Family" #6 "A Father's Plight" (holo) - Enter Issac's workplace and view Issac's last message to Claire.

Use the ASE to exit MAINTENANCE.

• "The Blackout" #6 "Witnesses" (audio)
  
• "The Malfunction" #3 "Huygens Memorial Stone" (scan) - head into the great hall to the back and scan the stone monument.
  
• "Outward" #3 "Trinity" (holo) - *very* easy to miss. Walk past CREW QUARTERS to a stairway leading to the second floor. There you will see the council have a meeting about 'Outward' with Rosa continuing to express doubts.

Now in the inner hub, pull the cell powering MAINTENANCE and instead power CREW QUARTERS.

Entering CREW QUARTERS triggers a lockdown. Ooopsie.

ACHIEVEMENT: "Cosmic Marveller" (3 of 6) - Issue #3 "The Bridge". Located in C3.

• "The Blackout" #7 "A Stray Chair" (scan).
  
• "Outward" #4 "Bunk Beds" (scan) - down in the common area are a lot of sleeping mats. One set can be scanned.
  
• "The Blackout" #8 "Confrontation" (audio) - outside security.

ACHIEVEMENT: "Environmental Analysis Part II" - Assuming you have finished "The Mission" and "The Johanson Family" database entries, and have collected the previous 7 "The Backout" entries, "Confrontation" will trigger this achievement.

Use the key code to enter security. Hint: Where can the code be? Have you checked each room? Hint: In B1 there is a clue.Hint: See the posters Answer: 2032

Time to play hide and sprint with the security ASE. Run to each pillar. If lucky, you will get the "Not A Scratch" achievement...if not, try and try again. Gain access to the cell powering the unit (and coincidentally the 2nd cell needed to power up the VEHICLE BAY).

ACHIEVEMENT: "Not A Scratch" - If you can get the cell without getting shocked by the security ASE, you unlock this achievement.

Bring the cell to the inner hub, plug it into one of the VEHICLE BAY slots and move the cell from the CREW QUARTERS into the other VEHICLE BAY slot.

Now it is time to drive on the moon!

Please note that all doors are activated by having all 6 wheels on each of the pads.

Before we get underway, lets talk achievements:

ACHIEVEMENT: "Stargazer" - easy enough. Just sit in your rover for 30 minutes looking at stars and drinking beer.

ACHIEVEMENT: "Among the stars" - hint: somewhere around here there is a famous Eagle.Answer A fully intact LEM can be found if you follow the monorail tracks. Its behind 2 green panels.

Trigger the two vehicle airlocks and head towards the blue diamonds markers. You will find 2 MPT towers that you have to climb and then use a mini-game to align the dishes.

ACHIEVEMENT: "Twin Flames" - Upon successful Alignment of both MPT towers.

When that is done, head back to the moon hub.

Easter Egg: If you return to the entrance and then go to the right (towards the 3 vertical solar panels), then skirt the right side of the building until you see the 3 geodesic domes (and the long pole at an angle), you can head out to the middle dome and pass the first big crater on the right side. The next crater on the way to the middle dome holds a relic from a 1960's movie the Monolith from 2001 A Space Odyssey

Inside, return to the console and [Diagnose MPT]. Then [Power Systems].

• "Outward" #5. "The Great Leap Forward" (holo) - in the main hall
  
• "Outward" #6. "The Burdens of Adherence" (holo) - at the monorail station before boarding the train.

Head back out to the VEHICLE BAY and up to the monorail. Take the train to the next stop.

• "Sarah's Journey" #1 "Departure" (audio) - played as exiting CM for the outpost.

ACHIEVEMENT: "Remember Me" - If all audios for CM have been picked up.

You start out the chapter inside the outpost. Walk around and note that Frank's room requires a code to get in.

• "Abandonment" #1 "Crossroads" (holo) - as descending the stairs.
  
• "Sarah's Journey" #2 "Leaving Breadcrumbs" (audio) - approaching vehicle repair bay
  
• "Sarah's Journey" #3 "Broken Tire" (scan) - in the vehicle repair bay.

Get the code for the room upstairs.
Hint is there anyplace for an ASE to go?
Hint If it is too high, is there anything that can help me?
Answer Pull the ladder over to the laserable vent, open it and send the ASE through
Go back upstairs and use the code 1881 on the door to Frank's quarters.

ACHIEVEMENT: "Cosmic Marveller" (4 of 6) Issue #4 "Dawn of the Colony" - in Frank's room on one of the shelves by the bed.

Use the same code to unlock the computer and [Open Monorail Doors], then [Unlock Maintenance]

• "Outward" #7 "Stockpile of Helium-3" (scan) on the way to maintenance
  
• "Abandonment" #2 "T-Minus" (holo) - in maintenance, before sending ASE out.

Send the ASE out and play a mini game to trigger all 4 units blue. Each control toggles 2 or 3 units simultaneously. From the default starting point one of the quickest combinations is to activate post 2, 3, 4, 4.

Once all units have been turned blue, head out through the airlock.

• "Abandonment" #3 - "Torn Cables" (scan) Behind those units is a walkway.

Go back to the monorail station and take the train to Reinhold.

ACHIEVEMENT: "Clearing The Way" Awarded, when exiting CO.

To start the chapter, be prepared for a quick time event. Make a quick left (A), a quick right (D) and then a quick break (F).

Once stopped, you are in airless station needing to power up the airlock.

• "Sarah's Journey" #4 "Worn Astronaut Suit" (scan) just before laser-opening the door, to the left is one of Sarah's suits in a locker.

Open the door, climb and laser open the hatch (you might as well top off on oxygen). Drop down, replace the dead cell with the live one. The lockers have extra oxygen.

PROTIP: Pick up the dead cell and carry it with you into Reinhold. This is your new best friend...don't let it out of your sight. You will see why in a while.

Enter RC through the airlock.
Leave the door, head to the airlock but wait outside the live wires. (C-ASE) Send your ASE back to the power room, have him turn off power, (C-you) walk through the now dead wires, (C-ASE) have the ASE turn power back on, (C-you) activate the airlock and walk in (with the cell in tow). Your faithful ASE will teleport back to your side.

ACHIEVEMENT: "Cosmic Marveller" (5 of 6) Issue #5 - "Hope and Despair" - as you walk in, head for the lockers in front of you. The comic is sitting on a chest between the 6 lockers.

• "Abandonment" #4 "Tea Party" (scan) - at the top of the stairs
  
• "Abandonment" #5 "Out of the Blue" (holo) - at the top of the stairs
  
• "Abandonment" #6 "One Flew" (holo) - by the console
  
• "The Malfunction" #4 "Edgar's Hunch" (scan) - by the console on the whiteboard.

Go to the console and [Diagnose MPT] then [Open bay doors]

Go through the airlock to SURFACE OPS.

• "Abandonment" #7 "Into the Dark" (holo)

Drop the cell off the side onto the surface. Get into the beetle.
When the beetle descends to the surface, exit the vehicle. You should have enough air to grab the dead cell, sprint to the tower on the right (red diamond); place the cell near the entrance (where the beetle's wheels activate the door); then sprint back to the beetle.

Drive to the tower on the left (the one with the blue diamond).
Before you solve the align MPT mini-game, be prepared to get to the last tower as fast as possible. The goal is to gain the achievement "Goodbye, Old Friend". If you can gain the achievement and align the MPT on the first try, great. But for now focus on the achievement.

Align the first MPT dish.

After the cut scene, drive the beetle over to the 6 pads on the 2nd tower to open the tower door. Place the dead cell as close to the back of the beetle as you can.
Enter the tower to create a save point. You can try to solve the tower (you might not have enough time), but the crashing tower should trigger the achievement. If the cell is placed right and the achievement doesn't trigger, go ahead and solve the tower when you re-spawn - this might be a requirement for the achievement.

ACHIEVEMENT: "Goodbye, Old Friend" - Burn Crush the companion cube cell found at the beginning of Level 17 Reinhold Crater in the Incinerator with the falling MPT tower near the end of the chapter.

When you re-spawn, you have 2 minutes to climb up and align the tower - piece of cake (and that's no lie)....OK, OK, I will stop with the Portal references.

ACHIEVEMENT: "A Light In The Dark" - Upon powering up Reinhold.

After the fall, you have a run and scoop (oxygen) drill to get back to Reinhold. All that is left is to re-enter Reinhold base; take the elevator up; go back in, go to the console to [Activate Monorail]; watch Sarah's hologram; and enjoy the ride to Tombaugh.

• "Sarah's Journey" #5 "A Sliver Of Hope" (holo) - automatically plays after the monorail is activated.

ACHIEVEMENT: "Once Upon A Time In The Void" - Upon completing RC.

ACHIEVEMENT: "Environmental Analysis Part III" - Assuming you have finished the other 6 dossiers and have the other 4 "Sarah's Journey" entries, "A Sliver Of Hope" should trigger this achievement.

OK, although the monorail ride looks a lot like the one to RC, this one ends without you having to do much more than chew your nails. When the train stops, you are staring at a 'cut with laser' panel. Use this to open the panel and then 'cut a cable' (new mechanic for chapter 6 - although very similar to 'cut the fuse' and / or 'end of cable' in the life support section of PS).

In your dossier library you will note a new entry: Data Recovery (3). Don't worry about that. It autofills (much like the Encrypted Message in the first 5 chapters) when each of the other 3 dossiers are completed.

So, exiting the dead train, head down to the quarry.

• "The Reactor" #1 "Not a Natural Formation" (scan) - to your right as you enter the quarry.

You will see yellow topped steps leading to an oxygen refill station/save point (new mechanic), then a dead He3 canister (not a cell) that can be pushed down, moved to the left and then be used as a step up to the next section. Turn to the right and head to the next refilling station.

• "The Reactor" #2 " Excavation Machine" (scan) - on the way to the refilling station, on the right.

What follows is a skill jump challenge leading up to the Tombaugh entrance. From the filling station, turn left. Run up (using the shift key) to the edge of the first graded metal floor and jump to the second (keep holding the shift key until you land). From there jump to the 3rd. You should see a suspended platform. Jump to that, then jump to the ledge on your right. From there you should be able to climb the steps and see another graded metal platform across a chasm. You should be able to keep focus on that and reach that with a running jump. Almost there. The airlock is just ahead to the left and then right. There is an oxygen chest if you need it.

Once in, you see a TSA (American airport security reference) check-in station, but you forgot your passport at RC and they won't let you through. Hint is there anywhere the ASE can fit through? Answer send the ASE through the opening of the baggage conveyor belt to de-activate security and walk through.
Once past security, exit through the door to the left or right of the Tombaugh sign and proceed to the main lobby (the one with the sculpture in the middle). Wait, is that a Roomba cleaning the floor?

• "The Reactor" #3 "Fateful Encounter" (holo) - at the end of the lobby.

Go through the door with the WSA sign, turn left at the Tombaugh sign, and proceed through the arch for CREW QUARTERS.
hint: As you enter you will see a 'breakable wall' (new mechanic). This is a section of wall with re-bar and some concrete chunks as is meant to be 'broken through'.
Hint: is there something around here we can use?
Answer: climb up the stairs, push the luggage cart to the stairs and then down the stairs.

Next, you will encounter the 'dodge the security robots' game. The cut scene basically tells you the path you must take to navigate through that section. It involves a lot of 'hide and seek' as well as a boxes / ledges parkour course to avoid getting shocked.

When you get past the robots and can approach the door to the CONTROL CENTER, you will note it is non functional, but both MAINTENANCE and STORAGE are available. Enter STORAGE.

• "Tombaugh Riots" #1 "Rebellion" (audio) - when entering STORAGE.

See that ASE opening? Use it.
Laser open the 2 doors leading to MAINTENANCE. Ok...now you can get back to MAINTENANCE when the power goes out. Switch the cell from MAINTENANCE / Elevator backup power to SLEEP QUARTERS backup power.

Exiting out of the cut openings you created, you can turn to the right and encounter another door you can laser open which leads back to the security robot area. You will have to navigate this to get back to the SLEEP QUARTERS entrance (by CONTROL CENTER). The easiest way I found is to turn left towards the vending machines and then up the stairs to the platform.

• "Find Me" #1 "Family" (audio) - at the entrance of SLEEP QUARTERS.
  
• "Find Me" #2 "Private Whiteboard" (scan) - at the end of the hall is a washroom. There is a whiteboard pushed to the back by the sinks.

Easter egg: If you explore the restroom with the ASE, there is a picture of a developer in one of the stalls...The one by the whiteboard and piping partially blocking the top.

ACHIEVEMENT: "Cosmic Marveller" (6 of 6) Issue #6 "New Flame". This can be found in (what I presume to be) Sarah's room - 2nd door on the right exiting the men's bathroom. Finding this issue (assuming the other 5 have been collected) will trigger the achievement.

Unlock the door There is a lit section of ceiling with a ASE sized conduit and proceed to the fitness center, you can see Sarah's iPod and get some cardio on the treadmill. Use the code to gain access to STORAGE. Hint: In Sarah's room.Answer: 8662

• "Tombaugh Riots" #2 "The Greater Good" (audio) - played as you enter STORAGE.

Hint: See that cart? If we are done with CREW QUARTERS, we are going to lose power soon and this cart will be trapped...that would be a shame, wouldn't it?
Hint: Didn't we see an elevator somewhere around here?
Answer: Move the cart from CREW QUARTERS, STORAGE to MAINTENANCE, STORAGE and place it just outside the doors to the Elevator (by the ASE port).

Exiting CREW QUARTERS, take the CONTROL CENTER corridor back to the security robot area.
If you jump on the table and then into the security area, you should be able to find a short route back to the 3rd door lasered open (use your ASE to scout ahead).

Restore power to MAINTENACE then proceed to CARGO (on your left), up the stairs and figure out how to get into CONTROL CENTER.
Hint There seems to be a cable at the end of the catwalk
Hint OK, where did I see a rebar / concrete wall before?
Answer: Cut the cable - dropping the catwalk. Push the luggage cart onto the elevator. Bring the Elevator to the second floor. Push the luggage cart down the ramp created by cutting the cable.
Once in the CONTROL CENTER, proceed to the computer console.

• "The Reactor" #4 "On the Brink" (holo) - by the console.

Use the console to [Diagnose] then [Open Storage]

The door to RESEARCH should now be open. As you proceed, you will see a shell of a monorail train above a pit. This will be useful later.

You will eventually find yourself in the flooded amphitheater - there is an 'Outward' logo 'playing' on a large screen.

• "Tombaugh Riots" #3 "Big Brother" (scan) Very easy to miss. Behind the screen there is a room - there are stairs to either side. This leads to a spying operation (and a Sarah Baker folder). Scan the screens in the back of the room.

At the bottom of the theater there is an alley leading to the He3 storage (basically proceed away from the screen in the middle of the room).

• "Find Me" #3 "Lost and Found" (audio) plays as you walk out of the amphitheater

ACHIEVEMENT: "Lent Them Your Ears" - Assuming you have gotten all the previous audio files, "Lost And Found" should trigger this.

....to be continued....

... Continued from A....

ACHIEVEMENT: "The Aquanaut" (1/2) "Big Brother" Hint: "If she weighs the same as a ...., she's made of wood; and, therefore, a witch." The first of two can be found in this corridor. You might need an ASE assist to get it though.

Unlock the door to the room in this corridor and walk through the room.
Hint: when activating the ASE, you can see a working port on the other side...how can you get the ASE into the room?
Answer: bring the ASE to the end of the corridor, go left and up and you will find yourself with access to the room from the other end. Proceed to open the door with the ASE port.

Upon exiting the first room, you will see a room that is flooded and has a bright yellow object attached to a red balloon but no obvious way in...put a pin in that.
Proceed down the hall to HELIUM STORAGE. Use the console to [Open doors].
At the bottom of the stairs, note the (locked) door to the right. Put a pin in that.

• "Tombaugh Riots" #4 "Empty Helium-3 Canister" (scan) - on the right as you proceed through the doors.

Use the console to [Reboot] to get the power back on.
This might take a bit of 'trial and error'. Jump down into the pool where the empty He3 canister is. Push it to the back and position it so it forms a 'bridge' between the platforms. You might want to try jumping from the canister to one platform and then seeing if you can get to the other platform without falling in the pool. Kinda like a game of 'the floor is lava' and the canister is the couch. Once comfortable, go to the right platform, take the cell and plug it into backup power. This will electrify the pool. Use the canister bridge to get to the console on the other side. Use the console to [Reboot] all systems]. This will create a situation whereby the pool is only electrified some of the time. Use the time where power is 'off' to push the canister towards the front (jumping on the canister when the power is about to turn on - there are audio and visual cues for this). Use the canister to jump out of the pool area and back to the main section.

ACHIEVEMENT: "The Aquanaut" (2/2) "Little Brother" Time to unpin. Now that the system has been rebooted, go back to that door by the console. It is now open and allows access to that (neck high flooded) room you saw earlier.

Exit this area through the door to the right to get to the monorail station.

• "Find Me" #4 "Broken Pipe" (scan) - *Very easy to miss* as you exit the console area and enter the monorail station, jump into the pit and scan a piece of pipe embedded in the wall

Enter the lower monorail train car and exit the upper one to gain access to the main area.

• "Find Me" #5 "Journey's End" (holo) - an obvious holo as you enter the main area.
  
• "Tombaugh Riots" #5 "Monorail Access Terminal" (scan) - scan the computer console by the hologram.

ACHIEVEMENT: "The Observer And The Observed" - Assuming you have gotten all the previous scan items in the database, the "Monorail Access Terminal" should trigger this achievement.

Exit the monorail area and start the 'reactor end game' physical challenge.
If you need help:
Stand on the weighted plate on the right of the console (next to STORAGE - the room with the cell). Send the ASE through to open up STORAGE. Get the cell. Place it on the weighted platform across the bridge. Go and get the dead cell in the room; bring it outside; exchange places with the live cell; bring the live cell in and plug it in to open the interior door. Go inside; laser open the door; jump down; move the live canister onto the belt; use the canister to climb back out. On your way out, get the live cell. Plug it in to the right of the second weight plate; go in and flip open the power switch. This should bring the canister out via the belt. Move the canister next to the monorail train; use it to get to the second level; find the cables and laser them releasing the train. This will trigger a cut scene to open up the reactor section and move the canister to a place it can be plugged in.

ACHIEVEMENT: "Now you see me" - This is awarded in the 'reactor end game' early on. I believe that this is much like the 'Not a scratch' achievement. After activating the switch in the first room, wait for the shadow to pass by the exit of that room. Move with the shadow to get to the first post. Hide behind a post until the reactor 'pulses'. As soon as a 'pulse' hits, run to the next post. Repeat until you can exit the first part of the 'reactor' physical challenge.

After completing the physical challenge, you will have to beat the 'align MPT mini-game'. When this first came out, the drift caused by the fading in and out of consciousness made beating this *very* challenging. With the latest patch, though, balance has been restored and it should be beatable with 30 or so seconds to spare. Don't forget to pull the power lever once the dish has been aligned.
What follows is the 'victory' cut scene.

There is a little more after this - you get to follow your ASE that leads you to your last action of the game - and then the credits. You should wait until the end of the credits, though. There is an 'end credits' scene and then an opportunity to review the Data Recovery entry in the database, before the last of the credits and an end credits song.

• "Find Me" #6 "Nevermore" (holo) - awarded at the end of the game.

ACHIEVEMENT: "What We Do In Life, Echoes In Eternity" - Assuming you have viewed all the previous hologram items in the database, (and if this isn't triggered by "Journey's End" in the monorail section), then this should trigger at the end of the game when this hologram is recorded in the database.

ACHIEVEMENT: "Environmental Analysis Part IV" - Assuming you have finished the other 9 dossiers and have the other 5 "Find Me" entries, "Nevermore" should trigger this achievement.

ACHIEVEMENT: "Delivered Us The Moon" - The last hidden achievement. Triggered upon winning the game - congratulations!

I hope this guide helps you and you enjoy the game (and story) as much as I did!