Sudoku killer (also known as "sumsudoku") is a combination of sudoku and kakuro. As a rule, these puzzles are easier to solve than regular Sudoku puzzles. In addition to the usual Sudoku rules (there should not be the same numbers in columns, rows and large squares), areas indicated by a dotted line are also added, inside which the sum of all numbers must be equal to the specified value.
You can enter numbers from the keyboard, move with arrows, or WASD. Holding CTRL, you can put candidates.
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