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