Power-ups
While playing the game, quickly press one of the following default controller actions to make the corresponding power-up appear next to your character. Note: Each power-up can only be enabled five times per level.

Turbo
Press Left(2), Right(2), C-Up.

Shield
Press Down, Left, C-Left, C-Right.

Two-way shot
Press Up, C-Up, Up, C-Up.

Three-way shot
Press Right(2), C-Left, C-Down.

Four-way shot
Press Down(2), Up, C-Right.

Pulse wave
Press Up, Down, C-Right, C-Left.

Flame thrower
Press Down, Right, Down, Right, C-Right.

CPU control
At the setup screen, quickly press Left, Right, Up, Down, Left-C, Right-C, Left-C, Right-C three times.

Level select
At the setup screen, press Down, Up, C-Left, Down, C-Left, C-Right, Down, C-Right.

Monochrome mode
At the setup screen, press Up, Down, Right, C-Left, Down, Up, Left, C-Right, Up, Down.

Fifty lives
At the setup screen, press Up(2), Down(2), Left, Right, Left, Right, C-Left, C-Right, C-Left, C-Right.

110 lives
Enter one of the following passwords to start the game with 110 extra lives at the corresponding difficulty level:

Easy difficulty level
Enter "BSBBBBTJBB" as a password.

Normal difficulty level
Enter "BCBBLBTJBB" as a password.

Insane difficulty level
Enter "BFBBBCTJBB" as a password.