JavaScript Tetris

About this game

Jake Gordon's minimalist Tetris. ~150 lines of vanilla JS — a classic teaching example for game loops.

JavaScript Tetris is a free, open-source retro classic game playable directly in your web browser — no download, no signup, no plugins required. The source code is available on GitHub, released under the MIT license, allowing anyone to study, modify, or contribute to the project. Tags: tetris, vanilla-js, minimalist.

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How to play