Game Mahjong style in which some chips are available on the board that have to be eliminated looking for pairs, you can only eliminate those pairs in which you can draw a broken polygonal line of equal or less than 2 angles. The game ends by time, because it is blocked or all the chips are eliminated with what will end the game satisfactorily. You can play as much as you want there are different configurations with different levels of difficulty depending on the time and the level of freedom when choosing couples. The new version includes a didactic introduction to minerals in story mode.