Daily · Puzzle & Thinky on ArcadeOwl
Tap an empty cell to select it.
Choose a number from the pad or press 1–9 on the keyboard.
Each digit can appear only once per row, column and 3×3 box.
Use elimination to narrow each cell to one option.
✦ Freshly generated, uniquely solvable boards
✦ Difficulty set by how many clues you start with
✦ Instant feedback on incorrect digits