Based on my playing of the demo, this is a pretty game with decent replayability, but it's more like an offline version of a fun Flash game, the kind of thing that goes for $1-5 on the iPhone, or up to $9.95 on a desktop machine, but at $19.95, it leaves a little to be desired. For that price, I'd expect a level editor, or some other value add. That's just me, though. 3 stars for a quick fun game, -2 for value.

At first this game seems very simple and too easy, but keep playing a few more levels. You'll be amazed how challenging it can be to keep all those little trains from running into dead ends and each other. While still being fast enough to keep the stations from overflowing causing you to lose.