Kepler452b is a free traditional roguelike game set in a space station orbiting the distant planet Kepler-452b. Players embark on a mission to locate four keys necessary for returning home. The gameplay is familiar to roguelike enthusiasts, featuring turn-based battles, character movement, and procedurally generated levels, all of which contribute to its high difficulty and replayability. The game incorporates permadeath, emphasizing strategic planning and careful decision-making.

An intriguing aspect of Kepler452b is its multiple victory conditions, offering various endings based on player choices. Successfully finding all four keys without gathering sufficient intel yields one ending, while completing the intel unlocks another. Players can also escape without the keys or achieve a perfect finish for additional endings. With simple yet effective graphics, Kepler452b provides a compelling experience that stays true to the roguelike genre while exploring an innovative setting.