Goal of Add It Up is to select numbers that add up to the target sum. You only have a limited amount of time to do so. The more numbers you select to get to the target sum, the higher your score will be. The faster you solve a sum, the higher your score will be.
Daily new Calcudoku Puzzles. Like Sudoku: fill the grid where every number can only occur once per row/column. But the cages (thick bordered box) must produce the given outcome with the given operator.
Create stacks in descending order and alternate colors (red queen on black king, etc). Try to move all cards to the top four piles, starting with the ace, in ascending order and with the same suit. You can play any card or partially completed sequences to an empty stack.