Logic games
Grids, deductions and chains of reasoning. No luck required, just careful thinking.
18 results
Axiom (opens the game in a new tab)
A free daily logic puzzle. One hidden rule splits a board of words, five candidate rules are on the table, and you get a handful of tests to tell them apart. New board every day. Free daily, no signup.
Axiom: details and ratingsDocket (opens the game in a new tab)
A free daily logic game in a familiar but retired section of an important standardized test: one setup, a handful of conditions, and five questions about what those conditions force. Free daily, no signup.
Docket: details and ratingsDuet (opens the game in a new tab)
A free daily binary logic puzzle: fill each square with a dot or a ring so every row, column and room is half and half, never three alike in a line. Free daily, no signup.
Duet: details and ratingsErgo (opens the game in a new tab)
A free daily if-then logic puzzle: a few rules, one fact for today, and nine statements to sort into must be true, could be true and cannot be true. Free daily, no signup.
Ergo: details and ratingsFib (opens the game in a new tab)
A free daily logic grid where every row and column holds 1 to 5 once, the open end of each inequality sign points at the larger number, and exactly one of those signs is lying. Solve the grid, then accuse the clue that lied. Free daily, no signup.
Fib: details and ratingsHawfold (opens the game in a new tab)
Hawfold: a free, no-ads daily logic puzzle drawn as an English parish map. Restore the hedges so every numbered field is satisfied and the hedges form a single loop. A built-in teacher explains each forced step. Same parish for everyone each day, no account.
Hawfold: details and ratingsHearsay (opens the game in a new tab)
A free daily logic puzzle in the Cheryl's Birthday family. Two people are each told one detail of a secret card, then they talk. Work out which card it is from what they admit they do not know. New case every day. Free daily, no signup.
Hearsay: details and ratingsHedge (opens the game in a new tab)
A free daily slitherlink, the loop puzzle also known as fences. Draw one single closed loop so every numbered cell has exactly that many of its four sides on the loop. Only some cells carry a number, and the blank ones are unconstrained by design. Free daily,...
Hedge: details and ratingsImpound (opens the game in a new tab)
A free daily sliding-block puzzle on a seven by seven lot, and the bigger sibling of Parker. Around twenty blocks that each slide on one axis, and a red block that has to reach the one gap in the wall. Free daily, no signup.
Impound: details and ratingsJesters (opens the game in a new tab)
A free daily placement puzzle in the Star Battle family: seat a jester in every row, column and colored court, with no two jesters touching. Exactly one solution, pure deduction. A new court every day, growing from 8x8 on Monday to an 11x11 Sunday Edition. Fre...
Jesters: details and ratingsJudges (opens the game in a new tab)
A free daily Star Battle logic puzzle: seat two judges in every row, column and colored court, with no two touching. One solution, pure deduction. Free daily, no signup.
Judges: details and ratingsJunkyard (opens the game in a new tab)
A free daily sliding-block puzzle on an eight by eight lot, the biggest in the Parker family. Close to thirty blocks that each slide on one axis, and a red block that has to reach the one gap in the wall. Free daily, no signup.
Junkyard: details and ratingsLamps (opens the game in a new tab)
A free daily light-up logic puzzle (akari): place lamps to light every square, with no lamp shining on another and numbered walls counting their lamps. Free daily, no signup.
Lamps: details and ratingsSnug (opens the game in a new tab)
A free daily shape-fitting puzzle. Fit every piece into the board, turning and flipping as you need, so it is covered with nothing left over. The pieces only fit one way. A new board every day and a bigger Edition on Sundays. Free daily, no signup.
Snug: details and ratingsStands (opens the game in a new tab)
A free daily logic puzzle. A small league played a full round robin, the results sheet was lost, and a handful of facts survive. Exactly one set of results fits them. New season every day. Free daily, no signup.
Stands: details and ratingsSuffice (opens the game in a new tab)
A free daily logic game built on the data-sufficiency format: a question you never answer, and two statements. Three yes-or-no questions decide what is enough to settle it. Eight items a day, twelve on Sundays, every answer machine-proved. Free daily, no signu...
Suffice: details and ratingsSworn (opens the game in a new tab)
A free daily Knights-and-Knaves logic puzzle: a handful of locals under oath, exactly so many of them lying, one of them a thief. Work the contradictions and name the culprit. A new inquest every day, six sworn on Sundays. Free daily, no signup.
Sworn: details and ratingsVenn (opens the game in a new tab)
A free daily logic puzzle. Three overlapping circles, twelve words, and every region prints how many words belong in it, so a misfiling always shows up in the arithmetic. New sheet every day. Free daily, no signup.
Venn: details and ratings