1 5731N
A free logic puzzle game — play it in your browser, no install. 1-5+31IV - Lift the stone... A PWA port of the free logic game Einstein Puzzle (GPL v2+)
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Open the live demo Source on GitHubFrom the README
Six rows of six symbols, six columns: use the clues to find which symbol goes in each cell. Every puzzle is generated and can be solved by pure deduction.
The translations (except French and English) were written with an AI and have not been proofread by native speakers. Native speakers wanted: see TRANSLATIONS.md for the list and how to help (no coding needed: in the game, Help → "A mistake in a translation?" opens a ready-made form).
On a phone: open the page in the browser, then "Add to Home Screen" (iOS: Safari → Share → Add to Home Screen).
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