I created the sculpts for a majority of the rocks used throughout the game. We used a total of 88 rocks to build the world. The scenes shown here were built using those assets. Credit to the following artists for world building:
Katie Houston - https://www.artstation.com/khouston
Patrick Sullivan - https://www.artstation.com/navillus
Troy Mishler - https://www.artstation.com/troymishler
Peter Rybkin - https://www.artstation.com/tetrapod3d
Steven Schaefer - https://www.artstation.com/sschaefer83