Full health: Pause game play and press A, C(2), A,
B(2), A, C, Start. The word "cheater"
will be spoken to confirm correct code entry. Note: This code
may only be used once per level.
Level skip: Pause game play and press A, B(2), A,
A + C, A + B, A + B,
A + C.
Level select: Pause game play and press Left + A, B(2),
A, Right + A, B(2), A.
Power-up: Pause game play and press A, B(3), C,
A, C(2). The word "cheater" will be spoken
to confirm correct code entry.
Extra continue: Pause game play and press A, Left + B,
A, B, A, B, C, A. The
word "cheater" will be spoken to confirm correct code
entry.
Extra life: Pause game play and press Up + B, B,
A, C, A(4). The word "cheater"
will be spoken to confirm correct code entry. Alternately, pause
game play and press B(2), C(2), A(4). Note:
The alternate code can be enabled only once per level.
Debug mode: Pause game play and press Left + A, B(2),
A, Right + A, B(2), A. A picture
of the development team will be displayed to confirm correct code
entry.
Nine plasma guns: Pause game play and press Down + C, A,
B, C, A, B, A, C.
Nine homing missiles: Pause game play and press Right + A,
A(2), B, A, C, B, A.
1000 rounds of ammunition: Pause game play and press A, B(3), C,
A, C(2). Alternately, press A + C,
B(2), C, A + C, B(3).
Information in this section was contributed by Ryan Martin.
Jump to the "What the Heck" level:
Pause game play and press Left, Right,
A, B, C, Left, Right, A,
Start.
Jump to last level: Pause game play and press A + C, A
+ B, C(2), B(2), A(2).
