The purpose of the game is to clear all play stones! There are always four maps with the same symbols. The maps are cleared by tap of the same pair. Only play stones can be clicked the following conditions to fulfill:
1) The stone may not be covered by another stone.
2) A side of the stone must be free that is it may not lie close to another stone. For every cleared couple there are points. The player has the possibility to let suggest a train any time. But attention: this train is not always optimum tactically seen and there are 5 points Deduction. In addition, the player has the possibility to cancel all trains done up to now. For it fifteen points are drawn off. The first level begins with 72 maps, from the tenth level 144 maps are to be
diminished. Up to the twelfth level the degree of difficulty of step increases to step. For every level there is a time limit. In case of the untimely of a level there is a time bonus, depending on the rest playing time, and additional points.