Crash Tag Team Racing - One hit knock outs

High speed mode:
Hold L R and press X, X, Y, Y at the main menu.

Chicken heads:
Hold L R and press A, X, X, B at the main menu.

Toy block cars:
Hold L R press X, X, Y, B at the main menu.

Disable HUD:
Hold L R and press A, B, Y, X at the main menu.

Japanese Crash:
Hold L R and press B, X, B, X at the main menu.