Unreal Engine scene created with fully procedural Substance PBR materials by referencing the film: Alien (1979).
Procedural Alien Wall Material - Project Link:
https://www.artstation.com/artwork/GR211
Procedural Alien Egg Material - Project Link:
https://www.artstation.com/artwork/rkvoE
Procedural "Facehugger" Material - Project Link:
https://www.artstation.com/artwork/A1Yqz