Cheat mode

Enter "CHEATONX" as a password. Then while playing a game, press Select to display a cheat menu. Press Up or Down to select a level or Left or Right to select a zone. Press A for invincibility (001 will appear if done correctly).

Classic Asteroids mini-game

Enter "QRTREATR" as a password.

Excalibur ship

Enter "PROJECTX" as a password.

Level Password
2 SPACEVAC
3 STARSBRN
4 WORMSIGN
5 INCOMING