Welcome Aboard
Complete Chapter 1 on any difficulty setting.



Lab Rat
Complete Chapter 2 on any difficulty setting.



All Systems Go
Complete Chapter 3 on any difficulty setting.



Cannon Fodder
Complete Chapter 4 on any difficulty setting.



True Believer
Complete Chapter 5 on any difficulty setting.



Greenhouse Effect
Complete Chapter 6 on any difficulty setting.



S.O.S.
Complete Chapter 7 on any difficulty setting.



Strange Transmissions
Complete Chapter 8 on any difficulty setting.



Wreckage
Complete Chapter 9 on any difficulty setting.



Keeper of the Faith
Complete Chapter 10 on any difficulty setting.



Betrayed
Complete Chapter 11 on any difficulty setting.



Exodus
Complete Chapter 12 on any difficulty setting.

Set A Benchmark
Complete the game on Medium difficulty or above.



Untouchable
Complete the game in Impossible Mode.



Trusted Contractor
Complete New Game Plus on any difficulty mode.


---------------------------


One Gun
Beat the game using only the Plasma Cutter.



Reunion
See the alternative ending on any difficulty mode.


=Obtained by collecting all Markers. (Only available in New Game Plus) [12/12]

Chapter 1 - New Arrivals
#1/12 - Found on the shelf right next to the Data board (Main Quest) in the Maintenance bay.

Chapter 2 - Intensive Care
#2/12 - In Medical, through the Research wing on the lower level in office of Dr. Kyne, behind a force move-able bookshelf.

Chapter 3 - Course Correction
#3/12 - Inside the Engine room, where you have to reignite them, on the left hand wall towards the back corner.

Chapter 4 - Obliteration Imminent
#4/12 - From the Bridge, take the elevator down to Floor 3. Inside the 'Break Room' on the floor.

Chapter 5 - Lethal Devotion
#5/12 - Inside the office of Dr. Mercer, on his desk. (Along the main Quest line)
#6/12 - Inside Cryogenics, right on top of the chamber where you freeze the Hunter.

Chapter 6 - Environmental Hazard
#7/12 - Inside Hydroponics, East Grow Chamber, almost directly above the switchboard where you turn on off the gravity.

Chapter 7 - Into the Void
#8/12 - Inside Mining, Deck B - Processing, past the first foggy section, inside 'Mineral Samples' along the right hand side (Requires Level 3 Clearance).

Chapter 8 - Search and Rescue
#9/12 - From Bridge, Floor 3, heading towards the Comms Array. In the same room as the puzzle, on the left hand side tucked in a little cavity in the tissue.

Chapter 10 - End of Days
#10/12 - Crew Deck, Upstairs, inside the Deluxe quarters on the first door on the left.
#11/12 - Upstairs in Crew Quarters again (Along the main Quest line), inside 'Inquiry Desks', on the dining table inside.

Chapter 11 - Alternate Solutions
#12/12 - Inside the Cargo Bay, after you kill the Hunter and have to load the Marker with the crane, in the far left back corner of the room on a shelf.

=All the Markers then have to be taken back to the Crew Deck, Executive Quarters (Upstairs). First door on the Left, 'Captain B Mathias' office and placed on the table with all the candles. The achievement will pop when you finish the game.

Marksman
Dismember 50 Limbs.



Surgeon
Dismember 500 Limbs.



Raise The Stakes
Pin an enemy.



Autofire
Kill 30 enemies with the Pulse Rifle.



Freeze
Use Stasis on 50 enemies.



Live with the Hot Ones
Kill 30 enemies with the Flamethrower.



A Cut Above
Kill 30 enemies with the Ripper.



Full Contact
Kill 30 enemies with the Contact Beam.



Pusher
Kill 30 enemies with the Force Gun.



Backbreaker
Kill 10 enemies with a stomp attack.



Eviscerator
Kill 30 enemies with the Line Gun.



Wishbone
Rip off a dangling limb using Kinesis.

Brute Force
Kill a Brute.



Mindless Prey
Kill the Hive Mind.



Exterminator
Kill the Leviathan.



Get Off My Ship!
Kill the Leviathan Remnant.

Pack Rat
Place 25 items in Storage.



Full Clearance
Create the Master Security Override.


=Rewarded for completing the Side-quest "You are not Authorised" (Unlocks in Chp 4)


Final Regeneration
Discover the Hunter's origins.


=Rewarded for completing the Side-quest "Premeditated Malpractice" (Started anytime Chp 5 (After you freeze the regenerative Enemy) Found immediately behind one of the doors in Cryogenics))


Whole Again
Pursue Nicole's investigation.


=Rewarded for completing the Side-quest "Scientific Methods" (Unlocks in Chp 2)



Front Toward Enemy
Survive the Shooting Gallery.


=Inside Chp 9, When you board the Valor, Inside the Armoury off to the right. There is a small sign you need to click on to start the challenge.

Story Teller
Collect 75 Logs.



Legend Teller
Collect 150 Logs.


=There is a total of 188 Logs throughout the game. NOTE: A lot are given out freely just through normal game play. None are hidden, if you just generally explore most rooms for ammo and side-quests etc; You won't have a problem getting this. PS if you do miss a few on your first Playthrough you can grab the remaining ones in New Game Plus.


Full Arsenal
Own every weapon in the game. [9/9]


Chapter 1 - New Arrivals
#1/9 Plasma Cutter (Workbench @ start of game)
#2/9 Stasis (In front of crazy-ex-gf door)

Chapter 2 - Intensive Care
#3/9 Telekinesis (Very start of Chp. 2, on your left)
#4/9 Pulse Rifle (Next to a Dying Solider, just after acquiring the Telekinesis)

Chapter 3 - Course Correction
#5/9 Ripper (Inside Machine Room, on your way to refuel the south wing)
#6/9 Flamethrower (On a body, stuck in a huge biomass of Alien. On your way to Fuel storage

Chapter 4 - Obliteration Imminent
#7/9 Contact Beam (In Records room, after diverting power from Administration to the ADS Cannons

Chapter 5 - Lethal Devotion
#8/9 Line Gun. Found on your escape from Medical. Inside the Emergency Storage room, just after the Med-bay

Chapter 6 - Environmental Hazard
#9/9 Force Gun. In the West Seedling room of Hydroponics





Built To Order
Install every weapon upgrade.




Maxed Out
Fully upgrade all weapons and equipment.


=Hopefully you should have enough money to complete this after your play through of New Game Plus, Otherwise you'll have to go again or use the infinite money glitch ;)


Merchant
Collect all Schematics. [12/12]


Chapter 2 - Intensive Care
#1/12 After you first fly, on your way back and down an elevator shaft on a table to the left.
#2/12 When getting the Jump pad for the lab explosive, take the pad downwards, then first door on the right.

Chapter 3 - Course Correction
#3/12 Straight in front of you immediately after the Decontamination room, on your way to the centrifuge.
#4/12 Inside a room, near the 2nd biomass bubble that you have to pop to pass, on your way down to fuel storage.
#5/12 Right next to panel where you turn the engines on.

Chapter 4 - Obliteration Imminent
#6/12 Down a hallway, which looks like huge heat sinks, through a door to the right. On your way to the ADS cannons.

Chapter 5 - Lethal Devotion
#7/12 On your way to medical again. From the observation room, turn right and then go straight ahead, and then turn right, into Dr. Warwick's office.

Chapter 6 - Environmental Hazard
#8/12 In Hydroponics, Inside the Air Filtration Tower, after the first Electricity trap but before the second. To the right and lower of the Oxygen Refill station, in a tiny opening not covered by biomass.

Chapter 7 - Into The Void
#9/12 Inside Mining, (Deck B), inside a locked office, which you have to shoot through a broken window to unlock.
#10/12 Right next to the SOS beacon (Left) on a desk.

Chapter 8 - Search and Rescue
#11/12 Before you head to the bridge, return to Engineering where you had to refuel the engines. There is a locked room right outside the Machine shop, overlooking the black abyss.

Chapter 9 - Dead on Arrival
#12/12 On the Valor, In the Infirmary, Just on a desk to the left when you first encounter the spinning laser traps.

***Did find one more in Chapter 10 = On your way to Z-Ball, Inside the locker Room and Showers just on a bench to the left (But the Achievement popped for me after 12 lol)



Z-Baller
Complete Level 6 in Zero-G Basketball.

=Inside Chp 10. On the Main quest line, you have to go inside the arena to grab the power core/engine for the lift anyway. (Zero-G Gym > Locker room and Showers > Blast doors). Pretty Simple. The glowing/pulsating rings give you double points.



There's Always Peng!
Find the Peng Treasure.


=Inside Chp 11, Once you return to the Cargo Bay as directed, go down the lift and then immediately curve to your left. There should be a Peng Poster there. Hidden in the Locker behind some move-able boxes.


Marked
Pick up a Marker fragment for the first time.


See Campaign/Gameplay => Reunion.
(The first Marker available is in the Maintenance Bay, is on the shelf right next to where you pick up the Data Board (Main Questline))