Sci-fi

Stardust Exile is an RTS set in the Milky Way galaxy, containing currently known stars and exoplanets with their real characteristics. The remaining star systems are procedurally generated. It has both online mode and single-player skirmish mode. The online server is persistent and single-shard.

8 Nov, 2024

"Human Beings' Extinction Day: 2074"is a text-based visual novel game with a sci-fi and suspense theme. After an unprecedented disaster caused by an accident, the future of humanity seems bleak. Until April 9, 2074, a pivotal event that would shape humanity's fate occurred……

6 Apr, 2025

Based on the SCP Foundation "Keter" is a Dead by Daylight and Left4Dead-inspired Multiplayer Game.

17 Dec, 2022

You are a little robot moving and jumping through levels searching for the teleport. This is an one-button game with awesome pixel art and an impressive soundtrack.

13 Aug, 2020

A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.

2 Mar, 2024

Take control of Invisible's agents in the field and infiltrate the world's most dangerous corporations. Stealth, precision, and teamwork are essential in high-stakes, high-profit missions, where every move may cost an agent their life.

12 May, 2015

Deep in international waters, Tesla’s Helios stands still. An unbound utopia for scientific research, Rose Archer steps aboard in search of her sister, quickly to discover not all is as it seems. A single word covers the entrance… QUARANTINE!

5 May, 2020

Blitz Roads is a virtual-styled world where you take part in intense arcade racing battles against other opponents.

16 Sep, 2022

KARMA: The Dark World is a first-person cinematic psychological thriller set in a dystopian world where the Leviathan Corporation is omnipresent. The year is 1984, the place is East Germany, and things are not quite what they seem.

27 Mar, 2025

It all starts with a hammer and a single coin. Buy a ruin, fix it up and keep swinging until there are mints floating past the stars. Then start over, faster this time.

27 Mar, 2025

Explore the galaxy in this deckbuilding, sci-fi roguelike where ship upgrades and crew management are key to your survival. Optimize resource generation, engage in intense turn-based battles, and take on ever-growing threats as you seek out The Signal.

26 Sep, 2024

Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.

11 Feb, 2022

Wage a global war of resistance against an alien invasion. Command turn-based tactical battles, build a network of covert bases, directly control your fighter wings, and achieve strategic victory in a simulation of asymmetric warfare against a technologically superior foe.

2 Apr, 2026

It’s November 2010. You find yourself lost in a forest rumored to be home to SCP-173, a deadly and unrelenting entity. With only a flashlight, you must search for hidden plushies while staying one step ahead of your stalker. Can you keep it in your sights long enough to escape the nightmare?

21 Mar, 2025

The ability to discern hidden connections is both a gift and a curse. The covert mechanisms of reality do not reveal themselves to any and all, and there is a price to pay for this knowledge…

18 Oct, 2020

Get in your ship, push the throttle to max, and try not to die. Daily leaderboards where your name stays forever if you're good enough. Custom colors, custom music, YouTube in-game. It's free. What are you waiting for?

14 Oct, 2020

Nanoplanet Survivors is a heart-pounding bullet hell survival game set on a hostile planet. Battle relentless waves of alien foes and adapt with powerful upgrades and unique character abilities. Epic boss fights make every playthrough a thrilling challenge. Can you emerge as the ultimate survivor?

7 Jan, 2025

Space Elite Force II is a fast-paced side-scrolling shmup with local co-op, weapon upgrades, handcrafted pixel art, and intense boss battles. Fight through explosive stages, chase high scores, and defend humanity.

3 Feb, 2020

You must explore the labyrinth of riddles and investigate the apocalyptic event at the research facility following the experiments with the Higgs boson, or “the God particle”.

27 May, 2021

CyberHive is a strategic space travel simulator with a non-linear story, in the cosmic opera setting, and in an anime visual style.

3 Nov, 2020

Betrayed by the calculated cruelty of an evil corporation, Josephine finds herself homeless, jobless and without a heart. With nothing to lose, she joins a ragtag group of rebels seeking vengeance. Choose a love interest and let them guide Josephine's heart in this capitalist hellscape.

27 Aug, 2020

Command an ancient starship and fight your way to the heart of a dying Empire. Fend off attacks from demented cultists, craven space pirates, and xenophobic Imperial soldiers. Discover powerful artifacts and use them to build your ship into a fearsome war engine.

2 Jun, 2025

See the logic all of us obey. Design, optimize, and reverse-engineer real quantum algorithms in an open-ended Zachlike simulator. Solve 500+ visual puzzles and hack other players’ creations. No coding or physics background required.

29 Jan, 2025

The world's first AI-generated 2D Action RPG.

6 Mar, 2024

Fight through relentless demon hordes in a fast-paced and retro-inspired arena shooter, where mastering speed, strategy, and precision will push you to the top of the leaderboard.

31 Oct, 2024

Fast-paced, roguelike bullet hell with deep, unique spellcrafting. Create and use overpowered, game-shattering spells by combining a multitude of magical elements. Defend Tokyo from a monstrous invasion using magic, reflexes, and game-changing combos.

29 Nov, 2024

Take on the role of park manager and design the ultimate zoo for nature's greatest creations.

27 Apr, 2022

In this immersive sci-fi thriller, you will experience the atmosphere of classic 3D games as you solve puzzles, follow an intriguing non-linear storyline, and engage in battles with monsters.

26 Sep, 2024

A 4X real-time strategy game from the developers of the critically acclaimed Northgard. Set in Frank Herbert’s groundbreaking Dune universe, you must lead your faction and battle for control and dominance over the harsh desert planet of Arrakis.

14 Sep, 2023

Winion Virus is a pixel-art visual novel horror game. It features adorable and charming graphics paired with a dark fairy-tale story full of unexpected twists. As a point-and-click adventure, your task is to fix the errors occurring within the computer.

26 Dec, 2024

A quick-to-learn but challenging real-time strategy game where you spawn an army of space-bugs that control themselves.

19 Dec, 2017

Become a force of destruction in this intense twin-stick shooter! As a hired mercenary, you're tasked to defend an outpost against increasingly dangerous waves of gloops. Collect tons of items, find creative synergies, create ridiculously powerful builds, and survive until reinforcements arrive!

21 Apr, 2023

Lead Rolly in his adventure within the wonderful world of Shroomast, and explore its deep semi open-world underground. Goo Keeper is a pure metroidvania with tons of unique bosses, hand-crafted worlds and creatures, and tons of awesome abilities.

23 Oct, 2023

Embark on a dangerous investigation in Ultra Mission™, the latest game by Gumbo Machine™. As an agent of the Stellar Exchange Commission, you must traverse the 20 dizzying levels within Otto Labs, each littered with powerful automatons and questionable experiments. This is going to be a blast!

19 Jul, 2022

Halved is a roguelike action RPG game with only a handful of levels and gamemodes but innumerable possibilities for each run. Play as one of 5 characters and traverse the dangerous parts of the world with the help of the mysterious Father of all Machines against his rebel/tyrant son, S.A.N.E.D..

7 Dec, 2024

Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!

16 Jun, 2022

In the aftermath of catastrophic global warming, humans live in conflict with their new, not-so-human neighbors... and three "Alices" must fight against humanity to ensure the survival of their race.

26 Aug, 2022

Save Earth from total annihilation by drifting a missile through a variety of unique and punishingly difficult asteroid fields.

22 Nov, 2023

Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.

27 Jan, 2025

Face the supernatural dangers of the Olympic Exclusion Zone with a car as your only lifeline in this driving survival adventure! Scavenge resources, load up your trusty station wagon, and drive like hell to make it through alive.

21 Feb, 2024

Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.

3 Aug, 2022

Craft Your Ultimate Circular Fortress! Dive into SHOOPER NOVA, where you choose props and components to build a unique fortress. Unlock combos to shape your strategy and battle style. Become an unstoppable barrage machine and obliterate waves of enemies from all directions!

2 Apr, 2025

Pilot your drill deep below the surface of a remote planet, to mine ore to refine into resources, which will be used in drill upgrades and construction of your homebase. Upgrades will allow you to drill deeper to find more types of ores. Explore caves to uncover mysteries and secrets.

20 Oct, 2023

Deep Space Cache is a short & simple semi-idle bullet heaven incremental asteroid miner game.

15 Nov, 2024

Embark together on your fantasy adventure! Set hundreds of years in the future on the distant planet of Aida, the shared open-world RPG, anime-infused sci-fi adventure Tower of Fantasy now is officially available on Steam.

19 Oct, 2022

Arena FPS packed with rogue robots. Survive endless waves or duel friends on Steam — rockets, plasma blinks, and crowbar chaos.

28 Jul, 2020

Join the rebels in a third-person shooter with RPG elements and base-building mode. Fight against various combat drone models under the control of the supreme AI.

18 Oct, 2026

SATAZIUS is an awesome old-school side-scrolling arcade shooter by indie developer ASTRO PORT (Gigantic Army, Armed Seven). Customize your ship with 13 types of upgradeable weapons, two side weapons and a charge attack, and take on obstacles and massive bosses!

16 Dec, 2011

Take control of the hyperdimensional fighter craft ‘ZanFighter’ and use its advanced warp functions to defeat an army of space beasts controlled by an evil scientist!

15 Feb, 2017

Brought to you by the makers of GIGANTIC ARMY, Supercharged Robot VULKAISER, and SATAZIUS, WOLFLAME is a return to the form of glorious 2D vertical vertical shooters like Raiden, Raptor, and Twin Cobra.

21 Apr, 2016