Fallout 2

Fallout 2 is a single player role-playing game developed by Interplay Entertainment, following as a sequel to Fallout. It takes place after a nuclear war that destroyed large parts of the United States.

Story
The grandchild of the Fallout protagonist lives in the settlement of Arroyo, which is suffering from a drought. The village is led by their mother, the Elder, who tasks the Chosen One with heading out into the wasteland to find a device called a Garden of Eden Creation Kit or, G.E.C.K. This technology transforms land into a viable ecosystem, saving those who live in Arroyo.