Cheat mode
Pause the game and enter one of the following codes. If you entered the code correctly, you will hear a sound. Press Start to resume the game with the code(s) activated. Note: Some codes may only be enabled once per game. Also, codes that have multiple tiers (for example, credits) only take effect when activated in order (lowest to highest).
Refill Stasis and Kinesis energy
Pause the game and press X, Y(2), X, Y.
Refill oxygen
Pause the game and press X(2), Y(3).
+2 Nodes
Pause the game and press Y, X(3), Y.
+5 Nodes
Pause the game and press Y, X, Y, X(2), Y, X(2), Y, X(2), Y.
+1,000 credits
Pause the game and press X(3), Y, X.
+2,000 credits
Pause the game and press X(3), Y(2).
+5,000 credits
Pause the game and press X(3), Y, X, Y.
+10,000 credits
Pause the game and press X, Y(3), X(2), Y.
Completion bonuses
Successfully complete the game on any difficulty to unlock Ten Power Nodes, 50,000 credits, Level 6 Military suit schematic, Impossible difficulty, and the back story log entries.
Achievements
Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
Dead On Arrival (20 points): Complete Chapter 1 on any difficulty setting.
Lab Rat (20 points): Complete Chapter 2 on any difficulty setting.
All Systems Go (20 points): Complete Chapter 3 on any difficulty setting.
Cannon Fodder (20 points): Complete Chapter 4 on any difficulty setting.
True Believer (20 points): Complete Chapter 5 on any difficulty setting.
Greenhouse Effect (20 points): Complete Chapter 6 on any difficulty setting.
S.O.S. (20 points): Complete Chapter 7 on any difficulty setting.
Strange Transmissions (20 points): Complete Chapter 8 on any difficulty setting.
Wreckage (20 points): Complete Chapter 9 on any difficulty setting.
Keeper of the Faith (20 points): Complete Chapter 10 on any difficulty setting.
Betrayed (20 points): Complete Chapter 11 on any difficulty setting.
Exodus (20 points): Complete Chapter 12 on any difficulty setting.
Epic Tier 3 Engineer (150 points): Complete the game on the hardest difficulty setting.
Survivor (50 points): Complete the game on any difficulty setting.
Pack Rat (10 points): Store 25 Items in the Safe.
Story Teller (20 points): Collect 75 Logs.
Legend Teller (40 points): Collect 150 Logs.
Full Arsenal (30 points): Own every Weapon in the game.
Z-Baller (5 points): Complete Level 6 in Zero-G Basketball.
Merchant (10 points): Collect 8 schematics.
Armstrong (10 points): Shoot 50 objects using Kinesis.
Marksman (5 points): Dismember 20 Limbs.
Surgeon (20 points): Dismember 500 Limbs.
Butcher (40 points): Dismember 1000 Limbs.
Freeze (15 points): Use Stasis on 50 enemies.
Crackshot (5 points): Achieve a perfect score in the Shooting Gallery.
Air Alert (10 points): Zero-G Jump over 100 times.
One Gun (40 points): Beat the game using only the Plasma Cutter.
Brawler (10 points): Kill at least 30 enemies with a melee attack.
Maxed Out (75 points): Upgrade all weapons and equipment.
Ragdoll Check (5 points): Force an enemy into a Gravity Panel 5 times.
Big Spender (10 points): Spend 300,000 credits at the store.
Full Contact (10 points): Kill 30 enemies with the Contact Beam.
A Cut Above (10 points): Kill 30 enemies with the Ripper.
Tool Time (10 points): Kill 30 enemies with the Plasma Cutter.
Pusher (10 points): Kill 30 enemies with the Force Gun.
Live With The Hot Ones (10 points): Kill 30 enemies with the Flamethrower.
Autofire (10 points): Kill 30 enemies with the Pulse Rifle.
Eviscerator (10 points): Kill 30 enemies with the Line Gun.
There's Always Peng! (15 points): Find the Peng Treasure.
Additionally, there are eight secret achievements:
Exterminator (15 points): Kill the Leviathan.
Brute Force (15 points): Kill a Brute.
Mindless Prey (30 points): Kill the Hive Mind.
Playing Catch (10 points): Catch a Brute or Leviathan Pod using Kinesis.
Don't get cocky, kid (10 points): Survive the ADS Cannon with over 50% shield strength remaining.
Kickin it (10 points): Escape from a Lurker's grab attack 10 times.
Slugger (10 points): Kill the Slug Boss with more than 50% shield strength remaining.
Get off my ship! (15 points): Kill the Slug Boss.