Hamster IO
Shrinking down to rodent scale where blades of grass tower like redwoods, Hamster IO turns a suburban backyard into a chaotic reverse-bullet-hell survival arena. Facing down swarms of giant ants, armored beetles, and predatory toads, your fluffy protagonist auto-attacks nearby threats while you focus purely on movement, positioning, and collecting delicious XP snacks.
Backyard survival mechanics and i-frame movement
Navigating giant garden obstacles demands constant spatial awareness and precise dodging.
Master the dash roll invincibility window
Your primary defense against getting cornered by massive spider swarms is the dash roll . Executing a roll provides critical invincibility frames, allowing you to tumble straight through dense enemy waves or bypass boss telegraph zones unscathed when trapped against lawn debris.
Foraging drops and screen-clearing consumables
Defeated insects drop corn, blueberries, and strawberries to fill your level-up bar. Meanwhile, smashable cookies scattered across the grass drop rare tactical items:
- Cheese: Instantly restores missing health.
- Firecrackers: Detonates to clear every bug on screen.
- Magnets & Coffee: Vacuum up distant food drops or trigger temporary speed surges.
Customizing your fluffball: Weapons and cosmetic charms
Every level-up triggers a card draft where you build a synergistic arsenal while changing your hamster's look.
- Ranged & orbiting arsenal: Equip high-damage options like popcorn mines, spicy breath, orbiting acorns, or a heavy nut mortar to handle distant beetle swarms.
- Stat-boosting charms: Stack utility gear like sneakers for movement speed, an acorn helmet for armor, a hero cape, or a chonky tummy to expand your hit points.
- Build synergies: Pair defensive items like static fluff with orbiting acorn weapons to create an untouchable aura around your hamster.
Pro tips for backyard boss battles
- Watch ground telegraph lines: Bosses like giant moles and toads broadcast heavy AOE attacks with red floor indicators - save your dash roll for the exact moment they strike.
- Reroll bad card drafts early: Use your reroll button on early levels to secure core weapons like seeds or popcorn mines before wave density spikes.
- Kite swarms around cookie drops: Keep smashable cookies intact on the map until an overwhelming swarm spawns, then crack them open for instant screen-clearing firecrackers.
Controls
- Move: WASD or the arrow keys
- Dash roll: Space or Shift
