Zync: Touch offers one of the most inventive and original game concepts that weve ever seen on the iPhone. The idea is deceptively simple at first. The player must tap out a sequence of colored lights in exactly the order that they are first presented on the game board. As the game progresses, more lights are added onto the sequence, that way by the fifteenth turnjust hypotheticallyyoure dealing with fifteen unique entries that must be memorized.

[Source: N4G: news feed ]