A free puzzle game — play it in your browser, no install. A full-stack ladder-logic puzzle game: program a Mitsubishi-style PLC to solve motor-control problems, then get graded by a shared TypeScript engine that runs identically on the client and server. Includes user accounts, Google/GitHub OAuth sign-in, and an SQLite backend.
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Open the live demo Source on GitHubA puzzle game where the puzzle piece is ladder logic. Program a Mitsubishi-style PLC on a grid editor, hit Run, and watch power flood the rung while a real machine moves in 3D beside it.
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