SCIENCE FICTION GAMES

Explore our collection of Science Fiction games. From classics to new releases, find your next favorite game.

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Mars Colonies Demo
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DarkBase RTS
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Infinite Monkeys Bending Reality
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Orbital Decay
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Outpost:Haven
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A small talk at the back of beyond
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Thousand Dollar Soul
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Glean 2 Preview
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Heart of Galaxy Beta
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MC2 : Burning Skies
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Peacefree: ILA
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Space Pips
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Robokill Trainer
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Effing Machines
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Project Restoration
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FlashTrek: Broken Mirror 2
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Museum of Science Fiction
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alien exterminator
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Mechanical Commando
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ANOVA
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Engage
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Madness Interactive
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Spacecraft
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Nano Empire
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3000 AD
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Galaxy Harvest
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Halo Emblem Generator
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Cyber Recession Warrior: Edgar
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Red Code 2
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'Til Cows Tear Us Apart
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Idle Star
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Outpost: Swarm
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Colony Defenders TD2
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Star Co.
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DarkOrbit
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StarDust I: The Fall of Man
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Area Zero
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Outerspatial
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Conquerium
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Starback: Planetdestroyer Redux
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Raider: Episode 2
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Destructatron
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Wonder Rocket
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Prison Planet
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Lost Outpost
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Engage
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Sky Invasion
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Mars Power Industries
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Gravitex 2
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Rise of the Colony

Showing games 101 - 150 of 348

Science Fiction Games

Science fiction games let us imagine different futures—some are fun, and some are a little scary. Ever since Space Invaders, people have played games about fighting aliens and thinking about life beyond our planet. These games sparked many new ideas.
As technology improved, games told bigger and better stories. In the 1990s, games like System Shock let players find secret technology. In the 2000s, Mass Effect took us across the galaxy to save the universe. Now, with stronger computers, we can explore space, visit new worlds, and make choices that change what happens in the game.
Sci-fi games often have challenges that match the story. You might have to fix your oxygen, solve computer puzzles, or lead a team against aliens. The choices you make can change the game's world, like deciding what is right or how to treat robots.
Science fiction games can be about many things—space trips, life in future cities, robot battles, or even real science. But all of them help us learn more about ourselves as we explore the unknown.

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Looking for the best place to play free online games? Kongregate offers thousands of games across genres, from action-packed shooters to immersive role-playing adventures. Whether you enjoy competitive strategy games, fast-paced arcade thrills, or relaxing puzzles, we have something for every gamer.

Kongregate is also a hub for indie developers, featuring unique games you won’t find anywhere else. Support independent creators and explore hidden gems that redefine online gaming. New titles are added weekly, so there’s always something fresh to play.

Frequently Asked Questions

What makes a game science fiction?
A game is considered science fiction when its story or mechanics rely on speculative technology, future settings, or encounters with alien life. These elements drive themes that question how science and society may evolve.
Do sci-fi games always take place in space?
No. Many titles visit star systems, but others explore near-future cities, cybernetic underworlds, or post-apocalyptic Earth. The key trait is speculation about technology and its impact, not the setting alone.
Which sub genre suits new players best?
Space opera is a friendly starting point. Games like Mass Effect blend action, clear goals, and rich lore that ease newcomers into futuristic ideas without complex simulations.
Are there free browser based sci-fi games?
Yes. Websites such as itch.io and Armor Games host free browser titles featuring space battles, colony building, and short narrative adventures you can play without downloads.

Play the Best Science Fiction Games!

  • Mars Colonies Demo

    [January 14, 2016] [ Now the NEXT Mars Colonies game enters the open BETA. You can play it here ...

  • DarkBase RTS

    You have been Lt. Alice Foster discovering the Alien threat in "DarkBase 1: Incubation". Thanks t...

  • Infinite Monkeys Bending Reality

    Guide an endless supply of hapless monkeys through a maze of twisted puzzle-platforming levels. U...

  • Orbital Decay

    The last mission of the drone carrier Radiant Star.

  • Outpost:Haven

    "The owl men are here, and they're so very hungry." Gary Mason, former head of security, Outpost...

  • A small talk at the back of beyond

    You wake up. Alone, in a dark room. Alone? No, there is someone talking to you through a console....

  • Thousand Dollar Soul

    A dark "Choose Your Own Adventure"-style interactive fiction game about young love and time trave...

  • Glean 2 Preview

    Limited Preview Version - You will only be able to visit a total of 50 planets. Visit the Offici...

  • Heart of Galaxy Beta

    This game is an idle strategy optimization game where you can build your own space empire. You st...

  • MC2 : Burning Skies

    Mc2: Burning skies is the sequel of the popular Mechanical Commando 2 wich have been played by ov...