High speed mode: Hold L + R and press B(2), Y(2) at the main menu.
Japanese Crash: Hold L + R and press X, B, X, B at the main menu.
One hit knock outs: Hold L + R and press A, B(2), A at the main menu.
Chicken heads: Hold L + R and press A, B(2), X at the main menu.
Disable HUD: Hold L + R and press A, X, Y, B at the main menu.
Evil Crash Costume: When you find Cortex on Mystery Island there's an owl shaped lamp behind him. Hit the body-slam switch and it will rise up. Enter the cave, and go right. Have a chat with thethe drone at the top of the island and shell out 2000 coins to get the costume.
Baby Crash costume: Collect all the Die-O-Ramas to unlock the Baby Crash costume.
Play as Crunch Bandicoot: Give Cruch Bandicoot 2,500 Coins at Midway to unlock him.
Play as N. Gin: Give N. Gin the Green Plutonium at Midway to unlock him.
Play as Nina Cortex: Giver Nina Cortex the keys at Midway to unlock her.
Play as Pasadena Opossum: Give Pasadena Opossum one Power Crystal at Midway to unlock him.
Play as Von Clutch: Give Von Clutch one Power Crystal at Midway to unlock him.
Skeleton Crash costume: Talk to the Astro Land worker near the stunt arena to get the Skeleton Crash costume for 4,000 Coins.
Third tier kart weapons: Spend one Power Crystal at Midway to buy the following character's third tier kart weapon from them: Coco, Crash, Crunch, N. Cortex, N. Gin, Nina, Pasadena, and Von Clutch.
