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.

ShakeGasm contains suggestive audio and is intended for adults only. By continuing you confirm you are at least 18 years old and consent to mature content.