It is a case of a finger swipe gesture to steer a raindrop falling through with spiked maze-like levels and thereby collect all the balls, or even recolor certain stones by touch. The aim is to realize this as possible and not to exceed a certain predetermined number of trains with as few moves. Connoisseurs of the series know that source initially very easy to play, and then gradually becomes more demanding. The levels are indeed taken by itself is very small, although the scope of a total of 150 logical challenges for the small price is absolutely right.
Graphically, the developers leave while continuing to focus on rather minimalist presentation style, but enrich it to a pair of chic shades and new 3D effects. The harmonious, slightly meditative background music fits perfectly to fully dive into the mystery world and the narrator of the background story looks absolutely professional and motivated.
Source Memento is like his two predecessors, a great game that is friends of puzzle and logic titles highly recommended.
