The Shikaku for August 26, 2026 — midweek, the training wheels come off.
Wednesday's 7×7 medium is the week's first board that singles alone won't finish: somewhere in the grid, a clue's candidates all overlap on a cell, and spotting that common cell is the key that turns the lock.
Stuck? The how-to-play guide explains common-cell deduction with examples. More like this in the medium collection.