1- Metal Gear Solid 4: Guns of the Patriots;
2- Dead Space;
3- Bionic Commando Rearmed.
Honorable mentions: Command & Conquer: Red Alert 3, Call of Duty: World at War, Fallout 3, Fable 2, Left 4 Dead, Rock Band 2, Guitar Hero: World Tour, Super Smash Brothers Brawl, No More Heroes, Banjo-Kazooie: Nuts & Bolts, Tales of Vesperia, etc. (too many, 2008 was a crazy year, and it's not over yet!!!)
Games I've yet to play: Resistance 2, LittleBigPlanet, Gears of War 2 and Valkyria Chronicles!
Random game thought :
Why is Bionic Commando Rearmed 2 getting so much hate? We finally get a real game and they're not even satisfied... I'm starting to hate the gaming community so f****** much...