How to play
Guide each train to its matching station by changing the appropriate junctions on the rails.

Tap the highlighted junctions to change them. Collect as many stars as you can. In each new level you gain 3 new stars. If you lose them, you will have failed that level.

In-game buttons:
Top-left​ button: Speed up the trains while pressed.
Top-right button: Pause the game and display some options.