Secret Gamerpics:
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Successfully complete any level on the Nightmare difficulty setting to unlock a
Gamerpic of a demon.
Get a 100% kill rating on any level on the Hurt Me Plenty or higher difficulty
setting to unlock a Gamerpic of a Doom Marine.
Achievements:
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Accomplish the indicated achievement to get the corresponding number of
Gamerscore points:
Neophyte (20 points): Successfully complete any level.
Episode One (25 points): Successfully complete Episode 1 on the „Hurt Me
Plenty” or higher difficulty.
Episode Two (25 points): Successfully complete Episode 2 on the „Hurt Me
Plenty” or higher difficulty.
Episode Three (25 points): Successfully complete Episode 3 on the „Hurt Me
Plenty” or higher difficulty.
Episode Four (25 points): Successfully complete Episode 4 on the „Hurt Me
Plenty” or higher difficulty.
Rampage (35 points): Successfully complete all levels on UltraViolent mode.
Nightmare (10 points): Win a Nightmare level in single player.
Rookie (10 points): Get 50 kills on Xbox Live.
Destroyer (10 points): Get 100 kills on Xbox Live.
Scout (5 points): Find a secret area of a map.
Hoarder (5 points): Find all items in level.
Clean Slate (5 points): Kill all monsters in a level on the „Hurt Me Plenty”
or higher difficulty.
