Out of being bored somewhat...I'm gonna post every game I've played/own and beat/working on.
This is all Single player and no multiplayer.

First will be my Xbox 360 games. (I never play for acievements, only to beat it)
Gears of War- beat(on easy/Normal)90% on hard
Gear of War 2- Beat(on easy/normal) 30% hard
Assassin's Creed- Beat 100%
Battlefield Bad Company- Beat like 90%
Halo 3- Beat 100%
Halo Wars- Beat (on easy, hate RTS games on consoles)
Resident Evil 5- Beat on easy&Normal under 3 hours (Half way though hard)
Tom Clancy's Ghost Recon Advanced Warfighter 2- 30% though (got bored)
Tom Clancy's H.A.W.X- Beat 100%
Tom Clancy's End War- Beat (on easy) 60% on hard
Ninja Gaiden 2- Beast (on easy)70% normal
Call of duty 4 Modern Warfare- Beat 100%
Call of duty World at War- Beat (on easy)25% on hard
Fable 2- Beat 100%
Fracture- Beat (on easy) 70% hard
Far Cry 2- 25% (boring like the first)
Dynasty Warriors 6- Beat 100%


Computer
Unreal Tournament 2004- beat 100%
Unreal Tournament 3- Beat 100%
Warhammer 40,000 Dawn of War 2- beat 100% (Was very easy for me)
Dawn of War(plus expansion packs)- beat 100%
RollerCoaster Tycoon 3- Beat 100%
Sims 3- Could say i beat it. but it never ends.
Doom 3- Beat 100%
Half-life- Beat 100%
Half life 2(including episode 1 and 2)- Beat 100%
Command and Conquer (all but C&C 3 Tiberian Wars) Beat 100%
World of Warcraft- Reached level 80(also have a 70+, 60+) Don't play much anymore.