BUILD MODE: Click/drag to place waypoints. Click Start Position first, then draw track. Waypoints auto-connect with bezier curves. Click "Close Loop" to finish.
Right-click waypoint: Change surface (Tarmac/Gravel/Grass), set checkpoint flag, adjust track width.
TEST MODE: Arrow keys or touch to drive. Full physics with acceleration, braking, steering, and drift.
AI MODE: Watch AI generate optimal racing line and race your track.
VALIDATION: Track must be closed loop, 8+ waypoints, 2+ checkpoints. Elevation shown by color gradient. Banked corners and tunnels supported.
Pre-built tracks: Speed Ring, Technical Circuit, Mountain Pass available from Load menu.
Ghost car: Race against your best lap translucent replay.