July 20, 2026
Introducing Heyawake
Heyawake is a check-only logic puzzle where you shade black cells to match each region's number while keeping every white cell connected, now with easy, medium, and hard boards.
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Blog
Announcements, launch notes, and Puzzle Lair updates.
July 14, 2026
20,000 puzzles solved!
Puzzle Lair just passed our 20,000th puzzle solved!
Read updateJuly 12, 2026
Introducing Aquarium
Aquarium: New puzzle, set each region's water level so every row and column count matches its clue.
Read updateJuly 06, 2026
Introducing Code Grid
Code Grid: New puzzle, use clues and the source grid to solve the answer grid.
Read updateJuly 01, 2026
Introducing Star Circle
Star Circle: New puzzle, star/circle grid, =/× link clues, sibling to Takuzu/Tango.
Read updateJune 30, 2026
New Instant Feedback Mode is Here
Instant feedback: New Instant mode flags mistakes live with 3-strike limit, toggle in profile Settings, Check mode stays default.
Read updateJune 29, 2026
Eight New Achievements Just Landed
New achievements: 8 fresh badges reward purist no-aid solving plus one rare Cold Read accuracy badge, old attempts excluded from new-counter ones for fairness.
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