Multi-source Chibi 3D: DEM + OSM + YouTube + Street View.
Stop before switching. Keys 1–5.
5.7 km of Highway 1 sculpted from satellite elevation & OpenStreetMap, dressed with Chibi 3D landmarks modeled from YouTube & Street View references: Hải Vân Quan gate & watchtower, pillbox bunkers, wayside shrines, clifftop giant-hand café, KM milestones, and the coastal Reunification Express train.
| W S | Throttle and brake (hold S when stopped to roll back) |
| A D | Steer. She leans into the turn |
| E | Get off to walk; press again near the scooter to ride |
| 1–5 F | Switch vehicle · change the weather |
| R | Back to the road |