Gubble (Demo)

1. At the Title Screen, type: GUBBLE
2. You will hear Gubble D. Gleep laugh, verifying that you
entered the code correctly.

You can now use these keys:

From the map:
[F3] Removes all blocks from the maps
[F9] Switches between maps

During play:
[F8] Makes you Invincible! (Demo Version 1.1 only)
[F9] Completes any level
[+] Speeds up
[-] Slows down (Information from Cheat Machine)