Grub is a browser idle game in the Plinko spirit: you run a factory of living, rubbery caterpillars. Every run is a physics show—segments bounce off pins, stack points, and dive toward reward slots at the bottom.
Build your board: place pins in open cells, boost bounce and multipliers, buy more caterpillars, and unlock auto-drop as you grow. Payout per run is clear: pin points times the slot multiplier (x1, x2, x3, then x2, x1 again). Bolder paths mean bigger payouts.
It feels great to watch and tap: hits spark VFX and sound, crit collisions hit harder, and progress autosaves. Level up, try segment skins, play in landscape—perfect for quick sessions or long background farming.
Grub is relaxed fun, lucky trajectories, and the joy of turning chaos into coins. Open, tap, upgrade, repeat. Watch chains wobble, plan pin layouts, and chase the x3 slot for a jackpot moment. Drop your first caterpillar and see where luck takes it.
How to play
Tap the field above the pins to pick a spawn point and launch a run. Only free caterpillars in your pool can launch—buy more in the upgrade panel if you are out.
While the caterpillar falls, its head earns points on active pins. Place new pins in random open slots, then upgrade bounce force and point multipliers on pins you already own.
Five bottom slots use multipliers x1, x2, x3, x2, x1. Where the head lands sets the factor applied to all pin points collected that run. Final reward = pin points × slot multiplier.
Spend coins on upgrades: more caterpillars, auto-drop with a faster interval, stronger pins. Track level and income in the top bar.
Use pause, sound, and skins in settings. Progress autosaves—you can return later. Tip: place central pins first, then aim for the x3 slot. Play in landscape; enable auto-drop to farm while you watch.