Aim for the green sweet spot in the middle. Shaking like a maniac pushes you into the red zone and slows you down.

Smooth and steady wins.

Your browser doesn't allow phone vibration on web pages — the gameplay still works, but you'll miss the buzz that escalates with each stage.

Brave? Tap the lion icon and turn off Shields for shakegasm.com.
Coming soon: the Android app on Google Play has full native haptics.

Your scores, badges and unlocks are now syncing across devices.

Create a free account to sync your scores, badges and unlocks across all your devices. You can keep playing without one — but anything you earn stays on this phone.

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