Barbarossa

If you push X while pushing LR when there's no unit on the map, the map will be cleared. In the same way, if you push A while pushing LR, you'll lose. And if you push LR while the cursor is on the unit, that unit will disappear.

At the title screen press in order the following buttons. After succeeding, the "Push Start Button" will turn red. Press: Right, X, Down, Up, B, R, X, and Start.

At the title screen press in order the following buttons: Press L, Right, B, Down, L, R, Left, and Start.