The Island Castaway: Lost World is a full-version puzzle game for iPhone that immerses players in a survival scenario after a shipwreck. As the leader of castaways, players must effectively manage resources to ensure the group's safety and well-being. The game features the construction of diverse farms, including fish, quail, and crab farms, which are essential for sustaining the castaways and enhancing gameplay.

In addition to resource management, players can delve into the mysteries of the island. The game encourages exploration through deciphering strange markings, collecting ancient artifacts, and facing off against a crab monster. With its blend of strategic elements and engaging puzzles, The Island Castaway: Lost World provides a compelling experience for fans of the genre.