Rail Defence is an action-packed castle defense game designed for iPhone users. Players are tasked with protecting their castle situated on a circular railway, where they must fend off waves of increasingly powerful enemies. The game allows players to acquire and strengthen a variety of weapons as they progress, enhancing their defense capabilities through strategic upgrades. Special powers can also be utilized to bolster defenses, adding depth to the gameplay experience.

The game features a user-friendly interface that makes it accessible for players of all skill levels. With its free-to-play model, Rail Defence offers an engaging way to test reflexes and strategic thinking. The combination of weapon acquisition and enemy management creates a dynamic gaming environment that keeps players returning for more action.