Immortal Creatures will not die. Or, rather, they will just live for such a long time that you'll never see them die, unless you leave your game on forever and you can stay alive.

Some genetic mutations that can cause immortality are:

Note that the original C1 creatures did not have a gene that killed them automatically, and so were potentially immortal by default - they just died in other, more interesting ways.

Editnorn This stub could use more information.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.