Four digits. Big tiles. First grid, big smiles.
Every row, column and 2×2 box holds 1–4 exactly once. A gentle first sudoku for young solvers — same rules as the big grid, none of the pressure.
Solo · Daily · Timed
Friend Battle · Random
Big friendly tiles
Logical hints
Choose your modeTap a card to jump straight in.
How to playLook → place → smile.
1Find a row or boxPick any row, column or 2×2 box that's almost full — it's the easiest place to start.
2Spot the missing digitWhich of 1–4 is missing? If only one digit can fit, that's your answer!
3Tap and placeTap the cell, tap the number. Duplicates light up instantly so mistakes never stick.
4Finish and celebrateFill every cell to complete the grid — then race a friend or beat the daily best time.