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Ready to move?
Aim with your head, then swing one arm back and throw it forward to bowl.
- 1Enable camera›
- 2Start game
Keyboard: left/right aim, hold space to charge, release to bowl.
Camera
Camera off. Nothing is uploaded; detection runs in your browser.
How to play
- Stand side-on to the camera, 2–3 m back, with one arm free to swing.
- Look straight ahead for the middle; turn your head a little left or right to set the line.
- Swing the same arm back, then forward: the reversal releases the ball. One arm is enough.
- The faster the forward swing, the faster the ball; sideways motion adds hook spin.
- Ten frames, two balls each. Strikes and spares pay bonus points.
What you train
Swing your arm back to charge and forward to release. Your hand position sets the line, your swing speed sets the power, and a sideways release adds hook spin. Full ten frames with pin-on-pin physics, strikes and spares.
Movement: Arm swing, trunk rotation
- Shoulders
- Coordination
- Timing
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