In SpaceGuard.io, you're a super cool space hero flying your awesome spaceship in outer space! Your job is to zap all the sneaky alien invaders trying to steal your space treasures. You can collect shiny power-ups to make your ship even cooler! Watch out for asteroids and blast them away to keep your ship safe. You can play with your friends and see who can get the highest score. The more aliens you defeat, the more points you earn! It's all about speed, strategy, and lots of fun as you zoom around the galaxy saving the day!