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 [...]
Remove all colored backgrounds in this game. Move the marbles to free locations and get 3 or more of the same marbles in a row to remove the backgrounds.
Klondike solitaire game: move all cards to the top 4 stacks from Ace to King. On the tableau place cards in descending order and alternate color. Click on the top left stack to get a new open card.
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.