
Flash player supportDue to deprecation of Flash at the end of 2020 we are converting all our games to HTML5 which is supported by all popular browsers. We are planning to complete this process before the end of 2019. In the meantime, in case you have problems enabling Flash on your browser please see these instructions CalcuDoku
SingleOp CalcuDokuPlay new puzzles each weekEach puzzle consists of a grid containing blocks surrounded by bold lines. The object is to fill all empty squares so that the numbers 1 to N (where N is the number of rows or columns in the grid) appear exactly once in each row and column and the numbers in each block produce the result shown in the topleft corner of the block according to the math operation appearing on the top of the grid. In CalcuDoku a number may be used more than once in the same block.
DualOp CalcuDokuPlay new puzzles each weekEach puzzle consists of a grid containing blocks surrounded by bold lines. The object is to fill all empty squares so that the numbers 1 to N (where N is the number of rows or columns in the grid) appear exactly once in each row and column and the numbers in each block produce the result of the math operation shown in the topleft corner of the block. In CalcuDoku a number may be used more than once in the same block.
QuadOp CalcuDokuPlay new puzzles each weekEach puzzle consists of a grid containing blocks surrounded by bold lines. The object is to fill all empty squares so that the numbers 1 to N (where N is the number of rows or columns in the grid) appear exactly once in each row and column and the numbers in each block produce the result of the math operation shown in the topleft corner of the block. In CalcuDoku a number may be used more than once in the same block.
