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Grind Stormer (Genesis)

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Title Screen

Grind Stormer

Also known as: V-Five (JP)
Developer: Tengen
Publisher: Tengen
Platform: Genesis
Released in JP: March 25, 1994
Released in US: 1994


DebugIcon.png This game has debugging material.
LevelSelectIcon.png This game has a hidden level select.


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.


(Source: GameFAQs)

Debug Mode

Grind Stormer Genesis NO DEBUG.png Grind Stormer Genesis YES DEBUG.png

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 0x02 set in memory address $FFDAD7, but the menu normally only deals with the first two (bit 0x01).

Use these game enhancer codes to enable the debug mode:

Action Replay
009D32:661A
00A506:6722
00AD92:6636
00D48C:671A
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)
0032CC:4E71
0032D2:0C01
0032D4:0004
0032D6:6D02
0032D8:4241
Restores the debug settings in the Training selection in options.
Game Genie
DLRT-AN3W
ELWT-AR2G
G40T-AN6W
DMLA-AR6N
Each code corresponds to one of the four sets of effects available in the section below.
Game Genie
(alternate)
RE3A-A60N
AE3A-A2GW
AT3A-AAGY
AJ3A-A480
JE3A-AE02
Restores the debug settings in the Training selection in options.

Skip Stage

Press C to instantly advance to the next stage. Sets memory addresses $FFD96A to 0001 and $FFD968 to FFFF.

Pause Effects

Pause the game, and use the following buttons:

  • Controller 1
    • Up: increase progress in stage
    • Down: decrease progress in stage
    • Right: modify ship
    • Left: modify speed (memory address $FFD948, range $0000-0007)
    • A: unknown
    • B: unknown
  • Controller 2
    • A: add points (10s)
    • B: add points (1000s)

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

Debug Display

Grind Stormer Genesis debug setting 3.png

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

Invincible

Invincible to bullets and enemies.


(Source: JLukas)