SpaceBlast.io is one of the most interesting 2D Shooter Io games where you can enjoy a fast-paced multiplayer match online for free. Customize your ship and join a battle in which you need to take out as many opponents as possible to increase your points, experience, unlock levels. Furthermore, you can spend your scores to upgrade your own skills. Better stats will allow you to conquer the top spot sooner and survive longer. Aside from fighting against your rivals, you do not forget to mine asteroids. Good luck!