Wield the pipe in single-player or co-op mode.You wielded the pipe in single-player or co-op mode.5
Knife Wielder
Wield the knife in single player or co-op mode.You wielded the knife in single-player or co-op mode.5
Psycho
Kill 10 enemies without losing your weapon.You killed 10 enemies without losing your weapon.15
Perfect Boss
Beat the first boss without dying.You beat the first boss without dying.10
Fourth Boss
Beat the fourth boss.You beat the fourth boss.10
First Versus
Beat another player on Xbox Live in a versus match.You won an online versus match.10
Online Warrior
Beat 10 opponents on Xbox Live in versus mode.You have defeated 10 opponents on Xbox Live in versus mode.5
Online Co-op
Complete an online co-op game.You completed an online co-op game.10
High Score
Score 800,000 points in one game -- with Game Settings set to Hardcore.You scored 800,000 points with Game Settings set to Hardcore.25
Kill Jet
Defeat Boss 'Jet' at the end of Stage 2 -- with Game Settings set to Hardcore.You defeated Jet and reached Stage 3 -- with Game Settings set to Hardcore.30
Hard Win
Beat the game without using a special attack.You beat the game without using a special attack.35
Perfect Win
Beat the game without continuing.You beat the game without continuing.40
