Variant on the classic Spider Solitaire card game. Create sequences of cards in suit from King to Ace to remove them from the game. You can move a card or a valid sequence (independent of color) to an empty spot or to a card 1 higher in value. Click on the stack (top left) to get [...]
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.