Drag cards to the open cells (upper left) or under another card with opposite color and one number higher. You can also drag a stack of ordered cards. The goal is to get all the cards in order (A to King) on the foundation. press U to undo. You can undo all the way to the start of the game.
Based on the Freecell game by Jim Horne in the first Microsoft Windows. There are 32767 boards to try. Only one is unsolvable. V1.0 - Please send bugs my way.