Grind Stormer (Genesis)

Grind Stormer sounds obscene, but it's just a shooter.

Free Play
Hold A+B+C at the title screen and tap the Start button 100 times in total to unlock Free Play in the Credit Limit selection in the options menu.

Debug Mode


Originally, the Training selection in the options menu had a total of four settings: NO, YES, NO (DEBUG), YES (DEBUG). The last two, as seen in the pictures above, require bit set in memory address, but the menu normally only deals with the first two (bit ).

Use these game enhancer codes to enable the debug mode:

Action Replay
 * Each code corresponds to one of the four sets of effects available in the section below. Use just the first code for the Skip Stage enable, for example.

Action Replay (alternate)
 * Restores the debug settings in the Training selection in options.

Game Genie
 * Each code corresponds to one of the four sets of effects available in the section below.

Game Genie (alternate)
 * Restores the debug settings in the Training selection in options.

Skip Stage
Press C to instantly advance to the next stage. Sets memory addresses to  and  to.

Pause Effects
Pause the game, and use the following buttons:

Controller 1
 * d-pad up: increase progress in stage
 * d-pad down: decrease progress in stage
 * d-pad right: modify ship
 * d-pad left: modify speed (memory address, range )
 * A button: unknown
 * B button: unknown

Controller 2
 * A button: add points (10s)
 * B button: add points (1000s)

Adding enough points can give extra lives and break the high score.

Debug Display


Debug information is located on the right side of the screen.

Invincible
Invincible to bullets and enemies.