You can check out all the games in the sale HERE
Killing floor bundle
Resident Evil™ 5
Vampire: The Masquerade - Bloodlines
Ghostbusters: Sanctum of Slime
F.E.A.R. 3
Devil May Cry® 3 Special Edition
S.T.A.L.K.E.R. Bundle
Devil May Cry 4
Zombie Pirates
BioShock™
Nation Red
Dead Island
Bunch of Heroes
Zombie Shooter 2
Dark Fall: Lost Souls
Rock of Ages
Burn Zombie Burn!
Dungeons - The Dark Lord
Trapped Dead
Overlord Complete Pack
Sherlock Holmes: The Awakened - Remastered Edition
Dead Horde
Pound of Ground
Plants vs. Zombies GOTY Edition
Space Pirates and Zombies
Borderlands: The Zombie Island of Dr. Ned
Penumbra Collector Pack
Left 4 Dead 2
Atom Zombie Smasher
Silent Hill Homecoming
Zombie Bowl-o-Rama
DUNGEONS - Steam Special Edition
Left 4 Dead
RIP - Trilogy™
Dracula Origin
Ghost Master®
Haunted House™
SAW
Zombie Shooter
Zombie Driver
BioShock® 2
Railworks 3: TS2012 + Trains vs Zombies
Borderlands
Dead Space Pack
Scratches - Director's Cut
Sherlock Holmes versus Jack the Ripper
Painkiller Complete Pack
Amnesia: The Dark Descent
Terraria
Cthulhu Saves the World