Huntersville Strain - This unique strain infected many before The Great War and has many militaries with other strains.Ī few more experiments and strains exist in conjunction with the Super Mutants, but those players encounter in any Fallout game will typically have been created by these.

Institute Strains - Super Mutants created by the Institute tend to have more average intelligence than other versions. FEV-II (Mariposa) - The standard strain responsible for the initial Super Mutant breakouts.ĮEP Derivative - This inferior strain from Vault 87 had a nasty side effect: people infected with it did not stop growing, with reports of some reaching the size of small buildings.