

Knock down 50 zombies (in-game achievement)
Whisper Mountain Outbreak
Whisper Mountain Outbreak Steam key (Worldwide)
×1
Made it to the ending cutscene
Whisper Mountain Outbreak
Whisper Mountain Outbreak Steam key (Worldwide)
×2
Reach level 4
Whisper Mountain Outbreak
Whisper Mountain Outbreak Steam key (Worldwide)
×2
Co-op Only: Obtain a cursed item: Blindness and complete the stage
Whisper Mountain Outbreak
Whisper Mountain Outbreak Steam key
×1
Co-op Only: Obtain a cursed item: Stoned and complete the stage
Whisper Mountain Outbreak
Whisper Mountain Outbreak Steam key
×1
Made it to the ending cutscene
Whisper Mountain Outbreak
Whisper Mountain Outbreak Steam key
×2
Defeat an opponent at Last man standing battle with a shotgun.
MIMESIS
MIMESIS Steam key
×2
Defeat a MIMESIS using a shotgun.
MIMESIS
Uncover the Smoking Gun Steam key
×2