Choo-Choo Charles is an action game available on PlayStation 4, where players must confront a menacing train named Charles. Set in a vast play area, players navigate their old engine through treacherous tracks while planning missions carefully to avoid ambushes from the bloodthirsty Charles. The gameplay involves both train navigation and on-foot exploration, adding layers of strategy as players switch track directions and traverse the environment.

Players can upgrade their train by collecting "Scraps" through looting or completing missions. Assistance from local townspeople is crucial, as players can earn powerful weapons and items necessary for defeating Charles. The ultimate goal is to engage in a climactic duel with Charles, where preparation and skill are vital to ensure victory in this thrilling battle.