Star Wars - Empire at War : For the space battles (especially with the ultimate-empire-at-war mod) (ground battles suck hard though)
Nexus - The Jupiter Incident : for everything (though the shields suck)
KOTOR 2 - for being KOTOR 2
Mass Effect - for storyline and gameplay (wouldn't you want a KOTOR with JK3-like battles? That'd rock)
Star Wars - The Phantom Menace : Great game! Fun to play, especially Mos Eisley
Jedi Outcast: Storyline, voice-acting, sabers
Rome Total War, Medieval 2 Total War - for epicness and being what I love
EMPIRE TOTAL WAR: for the feeling WTF THAT'S GREAT, and for the yell "MUM BUY ME A DECENT COMPUTER!"
Starcraft: I don't need to say why, huh?
Galactic Civilizations 2 - if only it had space battles in which you can command the ships... it'd be perfect
Homeworld - you know why
Homeworld 2 - for being shiney and for Star Wars mod
Grand Theft Auto Vice City - for being what GTA should be (screw u GTA4)
GTA4 - for Katt Williams, rag doll, interaction with city and phisics. (SCREW YOU ROCKSTAR AND YOUR ****IN DRMS)
Emperor: Battle for Dune - I loved that one
FALLEN HAVEN - http://www.mobygames.com/game/fallen-haven
SO GREAT! I LOVE IT !!!
Heroes of Might and Magic III - In The Wake of the Gods : For the great "Heroes-pizza-parties"
Assasin's creed - Storyline, cities, gameplay
FreeSpace 2 - everything
Sonic the Hedgehog 3 and Knuckles - just ****in amazing
Reunion with X-tended Mod - I can just play and play and play it
Last but not Least : Mount&Blade - the only game which features you as a single person (you start as a lone knight and can build up your army, the conquer and so on) in which the countries actually Declare Wars, Sign Peaces and CONQUER TERRITORIES