FLIP GRAVITY. DEFY PHYSICS. SURVIVE. Grav Hopper is a gravity-flipping action runner where your reflexes are everything. Tap to flip gravity, dodge obstacles, collect coins, and survive as long as you can! HOW TO PLAY • Tap to flip gravity instantly • Dodge walls, obstacles, and enemies • Collect coins to unlock new characters • Defeat the boss to earn special rewards FEATURES • 8 unique characters with different abilities • Endless runner with increasing difficulty • Epic boss battles with warning alerts • Cosmetic shop: skins, eyes, and special effects • Sign in with Google or Apple — progress saved to the cloud • Global leaderboards CHARACTERS Cube, Ball, Ghost, Ninja, Tire, Stone, and more — each with unique stats, speed, and jump style. CLOUD SAVE Sign in with Google or Apple to back up your progress and compete on global rankings. Free to play. No ads. No pay-to-win.