110 EXTRA LIVES
To start a new game on the Easy difficulty level with 110 extra lives, enter BSBBBBTJBB as your password. If you're more daring, enter BCBBLBTJBB as your bassword to begin on the Normal difficulty setting. To challenge the Insane difficulty level, enter BFBBBCTJBB as your password.
On the Setup screen, on the Control Pad press Up, Up, Down, Down, Left, Right, Left, Right, Left C, Right C, Left C, Right C. Exit the screen and start a game as normal to begin with 50 men.
On the Setup screen, on the Control Pad press Down, Up, Left C, Down, Left C, Right C, Down, Right C. A stage select option will appear in the middle of the menu. Use the Control Pad to select an area, exit the screen and start a game as normal to warp to the selected stage.
During Play, press the following buttons on the Control Pad for the ability of your choice:
Flame Thrower: Down, Right, Down, Right, Right C
Speed Up: Left, Left, Right, Right, Up C
Gas Gun: Up, Down, Right C, Left C
Two-way Shot: Up, Up C, Up, Up C
Three-Way Shot: Right, Right, Left C, Down C
Four-Way Shot: Down, Down, Up, Right C
GAME BOY MODE
On the Setup screen, on the Control Pad press Up, Down, Right, Left C, Down, Up, Left, Right C, Up, Down. All of the graphics will switch to outlines.
AUTO PLAY (DEMO MODE)
On the Setup screen, on the Control Pad repeat the following sequence three times: Left, Right, Up, Down, Left C, Right C, Left C, Right C. The game will begin a self-running demo.