I'm probably missing loads but one of these below is my favourite game, Theres no way i could possibly decide between them:
Jedi Power battles
Driver
Legacy Of Kain Defiance
Ace Combat 4+5
Need For Speed Most Wanted
Medieval Total War 2
The Warriors
Gta Vice city + San andreas
Mortal Combat Deception
Dynasty Warriors 3,4,5
FF 8,10,12
Timesplitters 2
CoD4