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.
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.
Design custom race tracks with curves, jumps and obstacles. Test your creations by racing on them. Creative racing game about track design and testing.