A list of alien substances.
“Elerium, also known as Element 115, is a strange element used in the First Alien War as a power...Elerium-115
“Duracrete, also called permacrete, is a common building material. It's a strong, heat resistant...Duracrete
This category has the following 3 subcategories, out of 3 total.
Pages in category "Substances"
The following 27 pages are in this category, out of 27 total.