Classic sudoku, shrunk to a 1–3 minute daily ritual.
About this game
A fresh mini sudoku every day — 4×4 or 6×6 grids with 2×2 or 2×3 boxes, in Easy, Medium and Hard. Tap a cell, tap a number; pencil in candidates with Notes, undo mistakes, and watch conflicts light up without spoiling the answer. Everyone worldwide solves the same UTC-dated puzzle with a guaranteed unique solution. Chase your best time per difficulty and keep your day streak alive.
How to play
- Tap/click a cell → tap/click a number to fill. Notes: pencil candidates. Undo/Erase/Reset tools. PC: arrows select, 1–N fill, N notes, Backspace erase, Z undo, R reset.