Sheltered is a deep strategy game that places players in a post-apocalyptic setting, where survival is paramount. Players must manage a family living in an underground bunker, navigating the harsh realities of a world ravaged by nuclear disaster. The game challenges players to gather essential supplies and make critical moral decisions that impact their family's survival. As players explore the desolate wasteland, they face threats like radiation and scarcity, all while trying to maintain their family's well-being in a claustrophobic environment.

The gameplay emphasizes resource management, as players must make strategic choices about when to venture outside and how to utilize their limited supplies. Each decision can lead to dire consequences, making the experience tense and engaging. Sheltered combines elements of survival horror with role-playing mechanics, creating a unique narrative where the player's choices directly influence the outcome of their family's fate in a grim, unforgiving world.