The Shikaku for September 13, 2026 — Sunday's full-size board at a gentle grade.
Sundays pair the classic 10×10 grid with an easy clue set: a hundred cells that fall to singles and forced rectangles if you keep scanning the edges. A relaxed long solve to close out the week.
Want more room to roam? The 15×15 boards scale this feeling up. New to the rules? Start with the how-to-play guide.