Enter all of these cheats during gameplay, but don't pause. All of these cheats will have to be entered again at the beginning of each new level.
When a code is correctly entered you will hear a sound.
Ultra Hard Difficulty
X,B,A,X,black
Invincibility
Y,A,X,B,black
$5000 (You may enter this code as many times as you want to get more money)
A,Y,A,Y,black
One Hit Kills
B,X,A,B,black
10 Tokens (Enter as many times as you want)
X,B,X,B,black
Unlock All Planes
Y,X,B,Y,black