Gatekeeper is an exciting action rogue-like adventure that thrusts you into the depths of an unknown galaxy. In this game, the Heart of the Universe has been stolen by powerful forces, and your mission is to reclaim it by venturing through mysterious worlds and overcoming daunting challenges. The Heart is hidden within a quantum cage, and only the ancient giants known as the Sirens hold the keys necessary to reclaim it. This intriguing premise sets the stage for a game filled with unexpected thrills and dynamic action.