Achievements

Complete each achievement to get the allotted gamerscore.
Unlockable              How to Unlock
CLEAN SLATE (5)         Kill all monsters in level on 'Hurt Me Plenty' or higher.
DESTROYER (10)          Get 100 kills on Xbox Live.
EPISODE FOUR (25)       Complete Episode 4 on 'Hurt Me Plenty' or higher.
EPISODE ONE (25)        Complete Episode 1 on 'Hurt Me Plenty' or higher.
EPISODE THREE (25)      Complete Episode 3 on 'Hurt Me Plenty' or higher.
EPISODE TWO (25)        Complete Episode 2 on 'Hurt Me Plenty' or higher.
HOARDER (5)             Find all items in level.
NEOPHYTE (20)           Complete any level.
NIGHTMARE (10)          Win a Nightmare level in single player.
RAMPAGE (35)            Complete all levels on UltraViolent mode.
ROOKIE (10)             Get 50 kills on Xbox Live.
SCOUT (5)               Find a secret area of a map.