You've got a 7 x 7 grid of departure and arrival stations. Your job: Lay down tracks and rail switches to get trains to their corresponding stations. Easy when there are only two trains. But as the traffic increases, you've got to figure out switches and interweaving tracks with seconds to spare. So, yeah, accidents will happen.
WIRED The 14 levels have numerous, increasingly difficult puzzles. Periodic tutorials introduce new game elements.
TIRED Rudimentary graphics look like technical diagrams.
