Complete Arcade Mode without Perks equipped.

Complete the game faster than 59:59.

Defeat Kimkoh in Arcade Mode Stage 7 without dying.

Steal a life from another player in Multiplayer.

Defeat Big Fuzz in Arcade Mode Stage 6 without dying.

Defeat the Alien Heart in Arcade Mode Stage 4 without dying.

Defeat the Mutant Lieutenant in Arcade Mode Stage 2 without dying.

Overload all weapons at least once.

Complete 20 Challenges in Challenge Mode.

Complete a Challenge in Challenge Mode.

Defeat the Super Wall in Arcade Mode Stage 1 without dying.

Complete Stage 8 in Story Mode.

Complete Stage 6 in Story Mode.