Heavy metals are a poison found in Creatures 2, Creatures 3 and Docking Station. Heavy metals slowly destroy a creature's immune system, and, if not cured, will make the creature infertile. It can also cause mutations in unborn creatures. It is number 66 in the chemical list. It is cured by injecting EDTA.
Did you know? Boney Grendels are immune to the radiation of the C2 volcano.