* Change Fighter Plane
Beat the game. Continue playing and the second time you beat the game your fighter plane will change in type and speed. You can change the fighter to three different fighter types, but by Level 21, you will change back to the monoplane you started with.
Unlockable How to Unlock
* Helicopter
* Beat Level 8
* Jet Fighter
* Beat Level 12
* Super Jet
* Beat Level 16
Beat the game. Continue playing and the second time you beat the game your fighter plane will change in type and speed. You can change the fighter to three different fighter types, but by Level 21, you will change back to the monoplane you started with.
Unlockable How to Unlock
* Helicopter
* Beat Level 8
* Jet Fighter
* Beat Level 12
* Super Jet
* Beat Level 16