I'm a bad person

Gateways - 2.5 hours
Sonic the Hedgehog 4 - Episode I - 103 minutes
Alien Breed 3: Descent - 72 minutes
Sleeping Dogs - 71 minutes
Fortix - 41 minutes
Galactic Arms Race - 37 minutes
Sid Meier's Civilization V: Game of the Year - 36 minutes
Resident Evil 5 - 33 minutes
Star Wars Battlefront II - 21 minutes
A Valley Without Wind Pack - 18 minutes
Bad Rats: the Rats' Revenge - 18 minutes
Serious Sam Double D - 14 minutes
Shadow Harvest: Phantom Ops - 14 minutes
Unreal Deal Pack - 13 minutes
Magical Diary - 12 minutes
Killing Floor - 12 minutes
McPixel - 12 minutes
Indie Gala 7 (4 Games) - 12 minutes
Crazy Machines - 12 minutes
Bunch of Heroes - 11 minutes
Data Jammers: FastForward - 7 minutes
Avencast: Rise of the Mage - 7 minutes
Crazy Machines 1.5 - 7 minutes
Snuggle Truck - 6 minutes
Nation Red - 6 minutes
The Ship - Complete Pack - 6 minutes
Death Rally - 2 minutes

Not yet downloaded

Post Apocalyptic Mayhem
Red Orchestra 2: Heroes of Stalingrad - GOTY
Revelations 2012
Nexuiz
BioShock 2
The Witcher 2: Assassins of Kings Enhanced Edition

DLCs
Borderlands 2: Mr. Torgues Campaign of Carnage - All the time
Magicka: The Other Side of the Coin - Unplayed
Magicka: Final Frontier - Unplayed
Darksiders II - Mace Maximus - Unplayed
Darksiders II - Abyssal Forge - Unplayed