Reactor Heart is a multiplayer sandbox game set in the near future. Players embark on a mission to construct their own spaceship, explore the uncharted regions of the galaxy, and engage in battles with other human players. The game offers the option to form alliances with fellow players to collaborate on building and navigating spaceships, enhancing resource collection, and venturing into distant planets.

In Reactor Heart, players have the freedom to design their spaceships limitlessly. From propellants to defensive turrets and laser guns, customization options are vast. The game, though still in its early development stages, promises a world of opportunities for players willing to invest time in shaping their dream spacecraft.