GreatFilter.io is a space civilization .io game. You start out on a planet that constantly generates a small income. Once you have earned enough, you can start upgrading your defenses and your income generating things. Do not forget to build space jets to help you conquer other planets. Can you colonize all the planets and become the mightiest man in space?
November 5, 2017
GreatFilter.io is developed by Joshua Aurich.
- Space management
- Quick navigation through planets
- Desktop browser
Use your mouse to play GreatFilter.
GreatFilter.io is an engaging space game that you can enjoy on this page directly in your browser, for free. This game has received 1,765 plays and has been rated 8.1 out of 10 with 42 votes. The game uses HTML5 to work smoothly in all modern browsers. If you liked GreatFilter.io, make sure to also play our other space games such as War in Space and StarBlast.io.