Giant slug

Giant slugs are creatures found in the Twin Mothers village.

Characteristics
They are gigantic and move quite fast. The Prisoner will be attacked by them in The Fields. They also have an entire colony inside the Mystery Caves. It is possible to remove the source of them and get rid of all the slugs in the Twin Mothers village.

Appearances
Giant slugs were to appear in Van Buren, the canceled Fallout 3 by Black Isle Studios.