Daily puzzles

Date Puzzle Best score
2026-10-10 (competitive) Star Battle (10x10) 1m 0 s
2026-10-09 (competitive) Chat Room (8x8) 29 s
2026-10-08 (competitive) Pata (9x9) 44 s
2026-10-07 (competitive) Masyu (10x10) 28 s
2026-10-06 (competitive) Numbered Rooms Sudoku (6x6) 58 s
2026-10-05 Tents (8x8) 15 s
2026-10-04 Polygraph (6x8) 1m 57 s
2026-10-03 Meandering Numbers (8x8) 2m 1 s
2026-10-02 Summed Yajilin (10x10) 2m 39 s
2026-10-01 Fo-(Faibu-)seruzu (4x4) 11 s

The <Efficiency> value provides a normalized value based on solving time and aligned with the rating calculation.

Click at the puzzle name to solve the selected puzzle. Puzzles which are older than 5 days are non-competitive and can be attempted without registration.
Click at the best solving time value to see the score table for the selected puzzle.

Choose year:   2020   2021   2022   2023   2024   2025   2026