Cheat Mode
Type goldfish at the "Press Fire To Start" screen. The screen will flash to confirm correct code entry. Then, press one of the following keys during game play to activate the corresponding cheat function.

Invincibility 1
Stage skip 2
Level skip 3
Disable invincibility 4
Level select [F1] to [F6]
Extra life on bonus level [F7]
Normal game without restart points [F8] to [F10]

Programmer Messages
Type one of the following codes during game play.
ADE
TONY
GEORGE
SYD
SHORTIE
BERNI
PAT
PAUL
CASSON
ASH
RITCHIE
HILEY
SIZ
MARK
GREGGS
MICK