Choo-Choo Charles is an action-adventure game available on PlayStation 5, where players must confront the menacing character known as Charles, a bloodthirsty train. Set in a vast play area, players take control of their own train while navigating treacherous tracks. The game requires strategic planning for each mission, as players can encounter Charles unexpectedly while traveling on foot or altering the tracks.

Players can enhance their trains by collecting "Scraps" through looting or completing various missions. These resources allow for significant upgrades, transforming the train into a formidable weapon. Additionally, engaging with townspeople provides players with powerful weapons and items essential for battling Charles. The ultimate goal is to complete the main questline and challenge Charles in a final duel, leveraging strength, firepower, and skill to emerge victorious.