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.
Use your mouse to play GreatFilter.
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