Temporary Invincibility: B B B B A
Temporary Invisibility: U U U U A
Temporary Reverse your Opponent's Controls: F F F F A
Temporary Increase your Attacks Damage: D D D D A
Play Military vs. Military
At the Main screen keep pressing Left and Right arrow keys until the screen flashes.
Fight the Supervisor
At the Main screen keep pressing Left Left Right Right until the screen flashes.