mario game
A free platformer game — play it in your browser, no install. A side-scrolling platformer in a single HTML file - no dependencies, no build step, all sprites and audio generated in code
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Controls: Move: arrow keys or A / D · Jump: z, K, or Space (hold for height)
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Open the live demo Source on GitHub⚔ This or That: Platformer games
From the README
A side-scrolling platformer in a single HTML file. No dependencies, no build step, no assets — every sprite is drawn from a pixel map defined in the source, and all sound is synthesized at runtime with the Web Audio API.
On touch devices an on-screen D-pad and A/B buttons appear automatically.
The game runs on a fixed 60 Hz timestep accumulator, so physics stay consistent regardless of display refresh rate. Rendering targets a 400×240 internal canvas that is integer-scaled to the viewport with image-rendering: pixelated, which keeps pixels sharp at any window size.
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