Salvager
Not unlocked yetFind 200 piles of salvage.
Nanergy!
Not unlocked yetGather 25,000 total salvage.
Money Well Spent
Not unlocked yetBuy out any one Upgrade ring.
Martian Can Opener
Not unlocked yetBuy every Upgrade.
Cheater!
Not unlocked yetBuy a Cheat.
It's All In The Wrist
Not unlocked yetSend an enemy at least 30 meters with Impact.
Haymaker
Not unlocked yetKill 5 enemies in one shot with Impact.
Zero G War
Not unlocked yetKill 50 Shockwaved enemies before they hit the ground.
Hold Still
Not unlocked yetKill 6 enemies in one use of Shockwave.
Lock And Load
Not unlocked yetKeep Berserk active for at least 21 seconds in one use.
Back At Ya!
Not unlocked yetMake an enemy kill themselves while shooting at your Shell.
Liftoff
Not unlocked yetSend an enemy at least 50 meters with the Magnet Gun.
Martian Matchmaker
Not unlocked yetFire an enemy into another enemy with the Magnet Gun.
Catch!
Not unlocked yetUse the Magnet Gun to fling debris BACK at a Tentacle.
In. The. Face!
Not unlocked yetKill one of each enemy type with the Maul.
What Is Best In Life?
Not unlocked yetPerform melee finishers on 25 Creepers (single player only).
Boom Goes The Dynamite
Not unlocked yetKill 2 other enemies with a single exploding Berserker.
Crack Shot
Not unlocked yetKill a Wraith before it re-stealths.
Soldier
Not unlocked yetFinish waves 1 through 10 on any map in Infestation.
Commando
Not unlocked yetFinish waves 1 through 20 on any map in Infestation.
Honorary Mason
Not unlocked yetFinish waves 1 through 30 on any map in Infestation.
Bug Hunt
Not unlocked yetFinish at least one wave on each map in Infestation.
Field Surgeon
Not unlocked yetPerform Revival 25 times in Infestation.
All For One, One For All
Not unlocked yetFinish a 4 player Infestation game beyond wave 9 without anyone bleeding out.