🖱DRAW A LINE
Click any station, then click another. A coloured line and train appear automatically.
➕EXTEND A LINE
Click an endpoint station (start or end of a line), then click any new station to add it.
⊕INSERT A STOP
Hover near an existing track. A gold glow shows the segment — click to insert the stop there.
🎨TARGET A LINE
Click a coloured swatch below to select a line. Next connection will extend that line specifically.
🚂ADD A TRAIN
Select a line swatch, then click ADD TRAIN. Trains stagger so they spread across the route.
💰BUY LINE SLOTS
Spend points to unlock extra line slots. Cost increases with each purchase.
⚠DANGER ARC
A red arc fills when a station is full. If it completes before trains arrive — Game Over.
🔵PASSENGERS
Small shapes above stations show where passengers want to go. Send them to matching stations.