Purchase all abilities for one character class.

Complete the fourth mission of the U.S.S. campaign.

Purchase an ability.

Kill 5 enemies with Blood Frenzy in a single campaign game or multiplayer match.

Finish the game in Normal Mode

Defeat 30 enemies with the Tau Sniper

Defeat 30 enemies with the Mk-NDI

Defeat 20 enemies with gunfire by aiming while hanging

Defeat 50 enemies with hand-to-hand combat

Defeat 30 enemies with the Arm Micro

Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Find one treasure