Top selling$15 or less tagged Sci-fi and Space Page 5 (211 results)
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Epic Arcade pixel starship fighter against waves of aliens and unknown creatures.
Simulation
Fly Starfox style in a high speed dimensional tunnel, dodging blocks and creating stars to save civilization!
Action
Classic arcade game with campaign through Solar system and retro-style action.
Shooter
Go on your mission and protect the Earth from aliens. An experience that takes you back to past to the 90's
Action
[Steam Key Included] A tug of war strategy game, where you play as one of three unique factions.
Strategy
Journey through laboratories, forests and city ruins as you discover origins of Maia's powers.
Role Playing
A fast-paced, intensely difficult sci-fi action platformer
Platformer
Play in browser
Solve puzzles and master physics while discovering the Moon!
Puzzle
Prepare for War.. Defender of Earth is a spaced themed tower defense game.
Strategy
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