Spacewars.io is one of the best 3D games that you are able to compete against multiple enemies at once. The main aim is to dominate the top spot on the ranking before you run out of time. Each round will only last a few minutes. During that period, you need to show up your skills to overcome difficulties and collect the most kills. While chasing or hunting targets, you must dodge shots and stay away from asteroids which taking over the outer space. Good luck!