Saurian's Hell Creek environment was made to be accurate to the scientific data available while maintaining playability in both normal and flooded states. Terrain was created using a combination of World Machine and zBrush. Additional overhanging cliffs done with splines that pick random tiling cliff meshes.
There is a huge variety of materials needed: sand, mud, three different forest floors, riverbeds, and areas recovering from wildfire. Materials created using photoscanning, zBrush, and photosourcing.

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