Can you survive in a fierce space battle? The valiant Restronauts are determined to protect the spaceship with thousands of humans aboard against the treacherous Destructo even at the cost of their lives. To do that, they need to thwart the evil plan and restore the security system programmed to self-destruction in a certain period of time. Can you fulfill this mission before the ship explodes? Unite in a team of three to play for the Retronauts or act as the Destructo and take them out one by one!