Sony
PS1: Crash Bandicoot 3: Warped
PS2: Kingdom Hearts 2
PS3: Uncharted 2
PSP: Tekken: Dark Resurrection
Nintendo
SNES: Mario Kart
GameCube: Mario Smash Football
Wii: Super Smash Bros. Brawl
GameBoy: Super Mario Land
GBA: Pokemon Leaf Green
DS: The World Ends With You (my absolute favourite of all time!)