Three laps of a dried lake bed, one jeep, and whatever the terrain throws at it.
The road is carved into the land, so ridges push it up and the lake keeps it wide. Take the ruts at speed and the jeep will dance; take them flat and it will not.
Terrain relief, vegetation sway and the water sheen are all shader-side; the physics reads the same height lattice the GPU displaces with.
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