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jump rush

A free browser game — play it in your browser, no install. An endless jumping game in one canvas — no build step, no dependencies.

by @ctbot000 · ctbot000/jump-rush on GitHubLANG JavaScriptHOSTED ON CTBOT000.GITHUB.IOUPDATED 11 Sep 2026

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Controls: Change lane: ← → / A D · Jump: space / ↑ / W

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From the README

An endless jumping game on a three-lane road, rendered by a software 3D engine written from scratch. No build step, no dependencies, one canvas.

Hold the jump key longer to jump higher — a tap is a short hop, a hold is the full arc.

Each one has exactly one intended answer, and the geometry is set so that answer always works and the others never do.

4.62. Walls and the high bar are 5.4 tall, so no jump of any timing clears them — which is what keeps the third lane meaningful instead of decorative.

bar's underside sits at 0.62: below every standing head, above every ducking one.

Read the full README on GitHub →

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