Best game ever?

Mafia 2,Cod 2.

killing floor :D

Changes depending on my mood, but atm I´d say:
Final Fantasy 6 > Final Fantasy 8 > Lost Odyssey > Final Fantasy 9 > Final Fantasy 7 > Final Fantasy 10 > Elder Scrolls Series > Outcast > Enslaved > Wing Commander 3 > Gothic 1+2 > GTA Series > Earthbound > Assassins Creed Series > Lots and lots of other great games.. ^^

Morrowind.

Kingdom Hearts <3

Baldurs Gate series. Best game of all times! Forever!

Half Life, Oblivion or Deus Ex: HR if you talk about modern games.
If oldies: Kingdom Hearts, POKEMON(!), The Legend of Zelda series.

Rainbow Six: Vegas (2), best game ever! I'll always hope for a new similar game...

Broodwar.

Sheep, Dog & Wolf.

Deus Ex (the first one)

Dota

Duke Nukem Forever

Arcanum.

GTA China Town Wars on my psp.

Heavy Rain.

Based purely on time wasted... Disgaea 1 or 2

Zelda - Ocarina of Time !!!!! :)

Fable - Lost Chapters

Transport Tycoon Deluxe
OR
Anno 1404

No, you're all wrong. Planescape: Torment is the best. THE BEST!

Freeze tag.

Metal Gear Solid Ps1
Syphon Filter 1,2,3 Ps1
resident evil 1,2,3,4,5 :D
Contra (NES)

Snake.

portal2