Grumble Comet’s Revenge — free boss rush game starring Grumble Comet

Grumble Comet’s Revenge

Join Grumble Comet in a vibrant boss rush adventure built for quick HTML5 sessions, collectible characters, playful VFX and merch-ready storytelling.

Signature mechanic — Bullet Storm: Bosses throw much wider, faster fans — this one is about the dodge.

▶ Play Grumble Comet’s Revenge Free

How to Play Grumble Comet’s Revenge

Grumble Comet’s Revenge is easy to pick up. Tap or click to interact with the puzzle elements. Follow on-screen prompts for specific actions.

Tips & Strategy

Examine the whole board before making your first move. Sometimes the solution is simpler than it looks.

Why You'll Love It

  • Brain-teasing puzzle mechanics
  • Progressive difficulty
  • Hint system
  • Relaxing gameplay pace

About Grumble Comet’s Revenge

Grumble Comet’s Revenge is a free, instant-play HTML5 boss rush game starring Grumble Comet from the The AstroMochi Crew. Play it right in your browser on mobile or desktop — no download, no sign-up, 100% free.

  • Genre: Boss Rush
  • Plays like: arcade shoot-em-up
  • Signature mechanic: Bullet Storm
  • Character: Grumble Comet
  • Universe: The AstroMochi Crew
  • Price: Free to play
  • Platform: Web browser (mobile & desktop)
  • Players: Single player

More The AstroMochi Crew games