Here is an overview of the update, via PLAYISM:
In his latest adventure, Goose travels to the world of water, Planet Ceto, to save the planet and its inhabitants, the fish people, from the evil Baron.
It’s time for Goose to do what he does best—rain bullets on the baddies and save the day!
(This downloadable content is only playable after beating the main story.)
Watch a new trailer below. View a new set of screenshots at the gallery.