- Old Friends, Older Enemies
Safely escort Winters through the depths.
- Plan B
Find out how to reach the lair.
- Knock, Knock
Open up the secret entrance.
Make it through to the lair.
- One Big, Ugly Motha…
Defeat the source of it all.
- Breathe Easy
This is a Secret Achievement.
- That Coulda Gone Better
Finish the Single Player game on Hard Difficulty.
- Ooooh Yeah!
Kill 5 enemies with one L.E.O. shoulder bash.
- Hit 'N Run
Kill an enemy by ramming them with the Inferno GX.
Kill 175 enemies while in the L.E.O. exoskeleton.
Find 200 piles of salvage.
- Martian Drive-By
Kill 100 enemies while in the Marauder Scout Walker.
Destroy 100 Pods while piloting the Mantis.
Gather 25,000 total salvage.
- Money Well Spent
Buy out any one Upgrade ring.
- Martian Can Opener
Buy every Upgrade.
- Hold Still
Kill 6 enemies in one use of Shockwave.
- Zero G War
Kill 50 Shockwaved enemies before they hit the ground.
- It's All In The Wrist
Send an enemy at least 30 meters with Impact.
Kill 5 enemies in one shot with Impact.
- Lock And Load
Keep Berserk active for at least 21 seconds in one use.
- Bug Hunt
Finish at least one wave on each map in Infestation.
Use the Magnet Gun to fling debris BACK at a Tentacle.
- In. The. Face!
Kill one of each enemy type with the Maul.
Send an enemy at least 50 meters with the Magnet Gun.
- Martian Matchmaker
Fire an enemy into another enemy with the Magnet Gun.
- What Is Best In Life?
Perform melee finishers on 25 Creepers (single player only).
- Boom Goes The Dynamite
Kill 2 other enemies with a single exploding Berserker.
- Crack Shot
Kill a Wraith before it re-stealths.
- Field Surgeon
Perform Revival 25 times in Infestation.
- All For One, One For All
Finish a 4 player Infestation game beyond wave 9 without anyone bleeding out.
Finish waves 1 through 10 on any map in Infestation.
Finish waves 1 through 20 on any map in Infestation.
- Honorary Mason
Finish waves 1 through 30 on any map in Infestation.
- I Need A Nap
Finish the Single Player game on Insane Difficulty.
Buy a Cheat.
- Back At Ya!
Make an enemy kill themselves while shooting at your Shell.
Listen to 40 Audio Logs.