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Logic & Puzzles
KEEP CALM AND FILL THE SQUARES
Tap a square to cycle 1 to 4
Free forever. No signup, no install, no ads.
This game is not in the library any more. The rest of the page is still here.
How to play
- Every row, every column and every two by two box has to hold 1, 2, 3 and 4, one of each.
- Tap an empty square to step it through 1, 2, 3, 4 and back to blank. The numbers the puzzle came with cannot be changed.
- A number that clashes with another one in its row, column or box turns a warmer color.
- On a keyboard, arrows move the outline, space steps through the numbers, and the 1 to 4 keys set one straight away.