[W] Portal (2), offers [H] A lot of games (look inside)

Steam Keys:
A Virus Named TOM,
LIMBO,
Bastion,
Rocketbirds: Hardboiled Chicken,
Musaic Box,
Yumsters 2: Around the World,
Afterfall Insanity Extended Edition (may not work),
Red Orchestra 2: Heroes of Stalingrad - GOTY,
Bad Bots,
Zombie Shooter 2,
Hydrophobia: Prophecy,
SPAZ,
Anodyne,
Mark of the Ninja,
£1.11 wallet credit :P

Origin Keys:
Crysis 2 Maximum Edition Origin Key,
Medal of Honor Origin Key,
Mirror's Edge Origin Key,
Burnout Paradise (may not work)

Desura Keys:
Knytt Underground,
RefleX,
Dungeon Fray,
The Siege of the Necromancer,
Hack, Slash, Loot

So if anyone is interested, just comment. Thanks.