Rack 'em.
1. Knights of the Old Republic
2. Shadows of the Empire
3. Knights of the Old Republic II
4. Battlefront (haven't played 2; I know, I know)
5. Rogue Squadron
Runner-up: Galactic Battlegrounds
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1. Battlefront 1 and 2 2. Republic Commando 3. KotoR I and II 4. Rouge Squadron 5. Jedi Knight II Jedi Outcast