23st Century. The Earth-Defence fleet is experiencing a new type of ships, that can travel to distant galaxies. During the tests, something goes wrong and the prototype throws in a unknown space. Our goal is to return home...
Old School Harcore Arcade. This version of game contains only Survival mode. Fully Free
Old School Harcore Gameplay
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I hope you enjoy it. If you find some bugs or glitches, fill free to tell us about it. We need your help to make Unknown Space better for you:)