Robot Wars: Extreme Destruction Cheat Codes for XBox

All arenas:
Press R, L, Down(3), L, R, Up(3), Y at the main menu.

Unlimited time:
Pause game play, then press R, L, Up(3), L, R, X(3), Y.

Toggle invisibility:
Pause game play, then press R, L, Right, Left, Right, Left, Right, Left, Y, X(4), R, L.

Transparent armor:
Pause game play, then press R, L, R, Y(3), Left, Right, Left, Down, Y.

Toggle AI:
Pause game play, then press R, L, X, Y, X, Y, Up, Down, Up, Down, R, L, R.

House Robots:
Press R, L, Up(3), L, R, Down(3), X at the competition mode menu to unlock the House Robots in the arcade mode garage.

Extra money:
Press L, R, L, R, Y, X, Up, Left, Up, R, L, R at the competition mode menu.