Blash Crandicoot: Wrath of Cortex (GC version)
Tie the Australian Tiger (GC Version)
Slide Snooper and the Thievius Raccoonus
Jak II
Vexxxxxx (GC Version)
The original Blash Crandicoot
Spyrow
Spyrow 2: Riptoe's Ragefaic
Spyrow 3: Year of the Laggon
Whiplash
Beautiful Joe
Super Monkeys and their Super Balls: Deluxe
Sanic Heroes (I have no idea what happened to my copy; I haven't found it in practically 4 years)
Sanic Rivals (Again; I have no idea what happened to my copy of this game)
Pokemon Colosseum (I sold my copy a LONG while back. #regret)
Super Monkeys and their Super Balls: The Squeakquel. (my copy is bork'd and cracked, and speaking of which

Another copy of Ratchet & Clank (I got my copy used, so the disk is damaged/scratched/smudged to an extent where you can't advance past the cutscene where you give Skid McMarx' agent the prize, the screen will fade to black when the cutscene ends and the PS2 will do that thing where it struggles to read the disk, making that screeching/scratching/sliding/rubbing noise. *major sadfaic*)