Gridlock
Fill a compact logic grid so every clue holds and the full board reaches its unique solution.
Learn about GridlockDaily puzzles for deductive minds.
Play three browser puzzles every UTC day, each built around a different kind of reasoning. Gridlock uses interacting logic constraints, Linksets asks you to find exact hidden groups, and Ladder Run turns each answer into the path to the next clue.
Linksets
Sort a pool of terms into hidden groups while separating exact connections from tempting overlaps.
Learn about LinksetsLadder Run
Solve a linked sequence of clues, using each answer to understand the next rung and reveal the theme.
Learn about Ladder Run