Free daily logic grid puzzles (Einstein / zebra-style) you can play in the browser—no signup, no download. Six difficulty levels every day, from a quick warm-up to ultra-hard deduction grids.
Logic Grid Puzzles was submitted to SlowDen by Brainzilla. SlowDen did not make this game - it is published here from the developer's own submission, added on 2026-09-26. It runs in the browser with no download, no install and no sign-up.