About the Monday, 23 February 2026 puzzle
This is the hard 6×6 Quilt board published on Monday, 23 February 2026: a 6×6 grid divided into 12 cages, none of them single-cell freebies. Fill every row and column with the numbers 1 to 6 without repeating one, so that each cage reaches its target. It is a KenKen-style math and logic puzzle — the genre also known as calcudoku or mathdoku — and like every Quilt board it is solvable by deduction alone, with no guessing required.
Cage targets
- 12+(4 cells)
- 36×(4 cells)
- 1−(2 cells)
- 600×(4 cells)
- 9+(3 cells)
- 11+(2 cells)
- 12+(4 cells)
- 6×(2 cells)
- 72×(4 cells)
- 6×(2 cells)
- 9+(2 cells)
- 12+(3 cells)
Prefer a fresh challenge? Play today's hard 6×6 puzzle, browse every past puzzle in the archive, or learn how to play.