Level skip:
Type SUEDEHEAD at the opening screen of level 1 to advance to the next level. Type DISAPPOINTED at the opening screen of level 2 to advance to the next level.
Free movement:
Hold F + G + H + J and press Left or Right on the Joystick to fly in that direction on any horizontally scrolling level. Hold F + G + H + J and press Up/Left or Up/Right on the Joystick to land.
Unlimited energy:
Load or reset the game, then execute the following BASIC commands before running or restarting the program.
POKE 44416,0
SYS 32768