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sketchybook

A free physics game — play it in your browser, no install. Drawing physics game. A hand-drawn physics puzzle game where you draw a route, launch a ball, and solve each stage by adjusting the line and reaction timing. Sketchybook is a stage-based puzzle game built around simple physics and player-drawn guidance. Each level asks the player to shape a path…

by @ghmeundong · ghmeundong/sketchybook on GitHubLANG JavaScript★ 2HOSTED ON GHMEUNDONG.GITHUB.IOUPDATED 13 Oct 2026

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Controls: Drag: draw a guide line · Click / tap: launch the ball · Space: launch the ball

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From the README

A hand-drawn physics puzzle game where you draw a route, launch a ball, and solve each stage by adjusting the line and reaction timing.

Sketchybook is a stage-based puzzle game built around simple physics and player-drawn guidance. Each level asks the player to shape a path, launch the ball, and complete the objective while accounting for movement, collision, and environmental constraints.

Challenge mode can also be enabled on higher difficulties for extra constraints.

Read the full README on GitHub →

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