StarJack.io is a nice space strategy game which is free for all to play online. Gather together in the same arena and test your capability to expand the own territory and build up the best civilization. You need to capture the most homeworld by sending fighters wisely, too. While attacking the target, do not ignore setting up defenses to prevent and destroy raiders. With the support of abilities, you can generate more units, reveal points, make your troops invincible and much more. Good luck!
How to play
Left click or choose WASD to scroll the map. Press Shift+LMB to send 50% fighters, RMB to cancel, Space to snap to the homeworld, Tab to open in-game stats. Left click the source planet and the target one to deploy all fighters.