Follow the in game tutorial to learn the basic controls and to get the clipboard and the tracker.

First Blood
Kill your first spider

Get the Tracker
Get the Tracker from the closet

Find More Firepower
Get the Hairspray from the Bathroom

Get Warmed Up
Burn 20 objects
How to Complete: Burn the things that are burnt in this picture to complete it the fastest



Throw the Book At 'Em
Kill a spider with a book
How to Complete: Hit a spider with your clipboard once, then pick up a book and throw it at the spider (the collision is a little weird, so keep trying until you get it)

Equipment
In the Bathroom, you will find the Hairspray on the counter



After completing four of the five objectives, you can open the drawer and find the revolver



Upgrades

After getting two kills, you can open the cabinet and find the flashlight upgrade (Be sure to grab this as you will want to use it in some levels later on)



Omega Files
In the Closet, if you grab the box in the middle of the top shelf, Inside you will find the first Omega File.



Arachno-Gauntlet
The Arachno-Gauntlet is in the bathroom behind the container of laundry.



Steam Achievements


Smack the piano with your clipboard and you should hear the piano play, then you will get the achievement.

*This is the Halloween mode of First Contact

Flashlight

Trick or Treat
Find twelve candy

Candy Locations:
Above the window behind you when you start


in the bottom drawer at the start


Behind the first door


in the bottom drawer on the stand next to the couch (I accidentally ate this one before i took the picture)


on top of the shelf next to the flamingo picture


Under the yellow pillow on the couch


Behind the tall speaker to the left of the tv


Behind the tv


Next to the toilet


On the bathroom window


In the bathroom cabinet


Repel The Shadows
Light the candles in the right order

Candle Locations (In the order you light them):

1. In the Closet


2. On top of the dark brown stand


3. Above the fire place


4. On the coffee table


5. In the bathroom


Soul Survivors
Suck up 5 ghost spiders with the vacuum

Prepare The Ritual
Return the three crystals to the altar

Crystal Locations:
In the bathroom next to the altar


In the closet behind the tv


In the drawer you open after completing two objectives



Face Your Demons
Complete the ritual



What I did to complete it the fastest was to suck up as much as I could with the vacuum, then I shot it out at the spiders as they spawned

Vacuum
You can find the vacuum at the start of the level after opening the first door

Air horn
After completing all objectives in the map, you will find the air horn in the cabinet. It alerts all nearby spiders (Thanks Epickillkitty)

*Unlike Halloween mode where it puts you in a whole new level, Christmas mode puts you in the normal map and just adds a Christmas tree and the ornaments around the map


Next to the tree on the TV stand


On top of the Piano


Behind the picture on the fireplace


In the Bathtub


In the bathroom sink


Behind the Football in the Closet



The Christmas rewards depend on how many trees you have completed, so there will be a list soon with all Christmas rewards in order