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No. 17

August 3, 2026
mindloftdaily.com/alibi
Alibi is ready

Something has vanished from the manor. Deduce who was where, when they left, and what they carried. The case file stays sealed until you begin.

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About Alibi

Alibi is a free daily logic puzzle from Mind Loft — an Einstein-style deduction puzzle dressed as a nightly whodunit. Something has vanished from the manor, and four guests (five in the Sunday Edition) were each alone in a different room, each left at a different hour, and each carried one curious item. The witness statements are all true; the detective work is yours.

Fill the three deduction boards the way a pencil-and-paper logician would: cross off what a statement rules out, confirm what elimination forces, and let the ✗s corner the ●s. Every case is generated with a constraint solver and machine-verified to have exactly one solution, so a careful chain of inference always closes the case — no guessing, no leaps.

A new case opens every day at midnight Eastern. No app, no signup — play free in your browser, keep a streak, and race the daily leaderboard. More dailies: Cipher, our daily cryptarithm, Links, our hidden-threads puzzle, and Suds, our daily sudoku.