PilesOTiles is a game based on the Solitaire Mahjongg series of games, in which you must pair off groups of colourful tiles in order to succeed. Using large playing tiles from an infinitely expendable list of Tilesets, it is easily playable by anyone of any age. The game takes just a few moments in order to learn the simple rules, and it will have you playing for a lifetime. The game supports many functions, including selectable board layouts, and expandable Tilesets to prevent the player from becomming bored too easily. The game has built-in help to allow beginners (or experts who may be stuck) to locate an available move, and registered users can compete in all boards available in the game, and submit to WorldScores to compete for the best playing times on each of the boards available. Piles'O'Tiles is sure to change the face of mahjongg gaming forever! Registered users can play the Pocket PC version of the game along with their desktop version at no additional cost.