You get high on mushrooms and punch sharks on the face.

Accidentally jump off a pier onto a crocodile.

Jump off a mountain and squirrel suit into a base by landing on some poor bugger knife first.

"Skyrim with guns" is fairly accurate, although unlike Skyrim, it's very story and character driven and far less buggy. Multiplayer is sub par though, but it does have a map editor which, on console at least, is second to none.

You mean...fallout?

No.