[5x5] [9x8] [13x13] [15x15] [20x20] [15x30] [25x25] [30x30]

Rules of the game

  • all empty squares must be filled with numbers ranging from 1 to 9.
  • the sum of each horizontal block should be equal with the clue on its left.
  • the sum of each vertical block should be equal with the clue on its top.
  • no number may be used in the same block more than once.
  • every puzzle has one unique solution.

Other online games

Try other Goobix games, sorted by their popularity:

1. Nonograms
Discover hidden pictures based on digit clues.

2. Sudoku
Fill out with digits a 9x9 board, with restrictions.

3. Word Box
Find all the words inside a box filled with letters.

4. Lights Off
Try to turn off the lights in every place.

5. Word Twister
Form all possible words with the given letters.

6. Futoshiki
Fill a board by respecting inequalities.