New & popular HTML5tagged Sci-fi (5,939 results)
Explore HTML5 games tagged Sci-fi on itch.io. Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant plan · Upload your HTML5 games to itch.io to have them show up here.
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An escaped feeling, a quarantined waiting room, and an open window.
Visual Novel
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Guide the mechanic through a malfunctioning facility and exterminate its occupiers.
Action
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Make your way around a space station overtaken by machines and collect powers in this retro-styled Metroidvania
Platformer
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In this city-builder, build an outpost inside Titan generating as much power as possible for traveling spaceships.
Simulation
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Throw your disc at flying space totems to prove your planet's strength!
Action
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Five exceptional astronauts. An expedition to Saturn's frozen moon. One tragic accident that changes everything.
Visual Novel
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Pilot the Spinbuster, Earth's ultimate weapon and last chance for survival.
Action
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Game for Boss Rush Jam 2025 - Defeat cosmic horrors in this space battler
Action
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Play as a Virus and break out of a research facility by taking control of any living creature you can find.
Platformer
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Explore a procedural solar system where you are given the task of archiving select objects from different planets.
Simulation
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Heart of Steel is a 2D arcade shooter where you control a mech battling enemies and its pilot's emotions.
Shooter
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Circuit builder puzzle game where you are the weapon upgrading stats.
Puzzle
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quick rabbit; little thing. the blood of the covenant is long past.
Adventure
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Join the RAPIER program, and be the sword amongst the stars, the weapon that protects us from above.
Interactive Fiction
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Can you protect the galaxy's greatest empire from the minor accounting errors of feeble humans?
Puzzle
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When given the reigns on a newly independent country, how will your choices affect your people?
Interactive Fiction
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Enjoy Kessel Sabacc with pass-and-play or against the CPU on any device
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THE COMPANY has received reports of crisis. Can you restore order before time runs out?
Puzzle
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