Finish waves 1 through 30 on any map in Infestation.

Kill 5 enemies with one L.E.O. shoulder bash.

Make an enemy kill themselves while shooting at your Shell.

Finish a 4 player Infestation game beyond wave 9 without anyone bleeding out.

Keep Berserk active for at least 21 seconds in one use.

Kill 50 Shockwaved enemies before they hit the ground.

Defeat the source of it all.

Destroy 100 Pods while piloting the Mantis.

Open up the secret entrance.

Kill an enemy by ramming them with the Inferno GX.

Find out how to reach the lair.

Kill 100 enemies while in the Marauder Scout Walker.