Crash Nitro Kart
Game Boy Advance
Play as Spyro:
Beat the game with all Team Bandicoot characters.
Play as N. Tropy:
Beat the game with all Team Cortex characters.
Play as Velo:
Beat the game.
Beat Velo in Adventure mode.
Play as Geary:
Beat Geary at the Teknee track.
Play as Krunk:
Beat Krunk at the Terra track.
Play as Nash:
Beat Nash at the Barin track.
Play as Norm and Big Norm:
Beat them both at the Fenomena track.
Crash Party USA mini-game:
Repeatedly press L + R before the title screen appears.
Beat the Blue Gem Cup in Adventure mode.
Beat the Purple Gem Cup in Adventure mode.
R/C Kart cheat:
Beat the Green Gem Cup in Adventure mode.
Beat the Red Gem Cup in Adventure mode.
Thanks to Revolution readers rufus 33 and Cheesy Poof!