Grind Stormer is the Western Genesis port of V・V (V-Five), a vertical-scrolling shoot ’em up Toaplan released in Japanese arcades in 1993. Tengen brought it to the Sega Genesis in 1994, one of the last games to carry the Toaplan name before the studio folded later that year — the small development team included future Cave co-founder Tsuneki Ikeda, making his industry debut. Piloting the NA-00 fighter, you defend Earth from an alien invasion across six stages, dodging dense bullet patterns with a hitbox noticeably smaller than most shooters of its era.
How to play
The cartridge holds two selectable modes. Grind Stormer is the easier Western version: shoot down the enemy icon-ships that appear to cycle through power-ups — speed-up, Shot (your default vulcan), Missile (homing orbs), Search (lock-on pods) and a weapon-level Power icon — then fly into the icon again to grab whichever one is active. V-Five is the tougher, original Japanese version, which drops the icon system for a Gradius-style meter: collect diamonds to fill the bar and pick your upgrade manually.
Move with the D-pad (Arrow Keys). In Grind Stormer mode, A and C (mapped to S and Z on your keyboard) fire your current weapon, and B (X) drops one of your stock of defensive bombs.
Tips
- Tap, don’t hold, the Shot button: holding fire locks your vulcan straight ahead, but tapping it lets you angle the spread up or down to clear tricky bullet patterns.
- Save your bombs: they’re weak and won’t clear the screen, but you can stock up to six — hold onto them to survive a sudden bullet swarm rather than using them offensively.
- Try V-Five mode for the real challenge: if Grind Stormer feels too forgiving, switch modes for the original arcade-tuned difficulty and its Gradius-style power meter.

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