Any of these games for Dead Space 2 - Hitman Absolution, Tomb Raider, Sleeping Dogs, Dead Space 1, Burnout Ultimate Box, Mirror's Edge, Crysis 2, Medal of Honor, Trine 2, Mark of the Ninja, FTL, Fez or Dead Space 3 (last one's an Origin code).
Hi. Are you interested in something from these?
STEAM keys: Drakensang, Bastion, Guncraft, Broken Sword: Director's Cut, Paranautical Activity, Superbrothers: Swords and Sworceries EP; Karateka, Star Ruler, English Country Tune, Double Fine Amnesia Fortnight Prototypes, Burnout Paradise: The Ultimate Box
STEAM gifts: Mirror's Edge, Mark of the Ninja, Brutal Legend, System Shock 2
Desura keys: Radical roach, Survivor Squad, Chester, Fairy Bloom Fresia, Shivah, Da New Guys
Origin keys: Dead Space, Burnout Paradise: The Ultimate Box, Crysis 2 Maximum Edition, Medal of Honor, Mirror's Edge, Command & Conquer: Red Alert 3 - Uprising, Populous