Build
TapPlace the selected piece. Drag to paint several tiles.
RRotate the piece. The badge at the bottom-left shows how it will sit.
EToggle the eraser. Right-click also removes a piece.
HeightRaise track to build bridges. Straights between two heights become ramps.
TerrainRaise or Lower one step per tap, or Set height for plateaus. Pick Slope or Corner to shape edges. Water placed on a hill spills over as a waterfall.
Camera
NavigateTurn it on (or hold Space) and drag to orbit. Scroll or pinch to zoom.
ViewResets the camera to the starting angle.
Run
TrainAdd an engine and cars. Drag the list to reorder.
RunSet the throttle and press Go. Trains shuttle back and forth on open-ended track.
SwitchTap a T-piece while running to send the train down the other branch.
FollowKeeps the camera on the engine. Ride puts you in the cab; press it again for a chase view close behind the engine (Esc to climb out). Whistle does what you expect.
Shortcuts: 1–6 switch tabs · Ctrl+Z undo · Ctrl+Y redo · Esc closes dialogs. Your layout saves automatically.