Spacewar.io is a cool multiplayer space shooter game. Move around the new universe with your spaceship and try to complete all of the rounds as well as dominate the top spot before you run out of time. It is a survival combat. Thus, you need to defend your ship and destroy other opponents. Aside from that, turn asteroids into the dust used to upgrade your weapon. Don’t ignore additional devices and better equipment to beat the target sooner! If you have any missile or plasma gun, you are the boss. Good luck!