Like most survival-crafting RPGs, Once Human challenges you to gather resources, build a base, and craft items and weapons from scratch. As you progress through the game, you'll encounter more advanced materials and will need to craft better tools and weapons to ensure your survival. One such material is Special Plastic a rare resource that is used to craft high-level weapons, armor, and vehicle parts. Since youll be needing a lot of it, this guide lists all the ways you can get Special Plastic.