Hidden Space Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated space games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Space games on Steam.
Filters & Lists
Sputnika Game
A Cosmic twist on a Suika-style game with space gravity. Help our little friend Sputnik on his journey to become the Sun.
Monster Tiles TD: Tower Wars
Free Tower Defense game with unique roguelike elements. Custom base building mechanics allow you to create your own base and maze with tiles earned after each wave. Unleash a variety of monsters, each with its own evolution path and unique skills, and evolve them into legendary creatures.
Survivors of the Dawn
A roguelite horde-survival bullet heaven with QUINTILLIONS of bullets over QUINTILLIONS of hordes. Mix weapons with items, modify, control chaos at terminals and break through tightening waves.
Savant - Ascent REMIX
Savant - Ascent REMIX is an explosive shoot-em-up / scrolling shooter, starring an acrobatic wizard on an elevator-ride. Unlock destructive spells & acrobatic moves as you survive through a tower brimming with robotic fiends!
Project Planet - Earth vs Humanity
Destroy Humanity with virus outbreaks, asteroid impacts and more as Planet Earth! Or team up with up to five friends as the World Leaders, Industry, Media, Scientists and Public, and try to survive. Impossible dilemmas and choices-matter create countless paths in this strategy party game!
LunarLux
Experience a sci-fi action-adventure RPG on the Moon in the year 30XX! Join Bella in a story of science, truth, justice, and trust, as she travels the silver globe to find a way to save humanity from Comet Coda! It's time to unleash your Lux!
Paper Planet
Paper Planet is a planet-defender, arcade roguelike with a doodley, Flash-inspired artstyle. Battle through waves of unique enemies and bosses. Combine items with strange and wacky effects for insanely overpowered runs. Play with 1-4 players, for some chaotic co-op fun!
My Furry Protogen 🐾
When your fate is determined by the universe itself, you don’t have many options. You can either oppose it until the very end or accept it for the rest of your life, but neither choice can change your destiny.
Beam Eye Tracker
Turn your webcam into an AI-powered head & eye tracker and ditch the bulky tracking hardware. Enable gaming extensions like OpenTrack for immersive eye and head tracking. Gain insights and improve your gameplay using the eye tracking overlay or enhance your live streams.
BattleGroupVR
BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship.
EarthX
EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars!
This Means Warp
It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players. Explore a procedurally generated universe, upgrade your ship, battle dangerous enemies and adapt your strategies to survive in a hostile galaxy.
Lightracer Spark
Lightracer Spark is a Sci-Fi Narrative game. You are an amender from a high civilization, descending to various extraterrestrial worlds. Guide living beings to prosperity, or nip a spark in the bud. Accumulate strength through choices and strategies to grasp the rise and fall of all civilizations.
Supplice
Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.
Beyond Contact
A fiercely formidable sci-fi survival game, set on a hostile alien world that wants you dead! Alone, or with a crew, do you have what it takes to survive?
Reshaping Mars
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Nienix: Cosmic Warfare
Search for the legendary lost artifact Nienix through galaxies in conflict! An open world space action RPG adventure that can be played both alone and together!
The Last Starship
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Broken Universe - Tower Defense
Get ready to rethink all your defense strategies! Build barricades to stop monsters, or lure them into a maze and attack. A variety of stages that change each time depending on how you play them.
The Symbiant
The Symbiant is a BL / Yaoi / Gay visual novel about two men, both from vastly different worlds, embracing their sexuality and their newfound romance. It is also a tale of interstellar friendship and being gay in space!
2112TD: Tower Defense Survival
Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi adventure.
Farlanders
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet.
Hubris
Hubris is a VR action-adventure game set in a unique and colourful Sci-Fi universe, with immersive movement options, including swimming, climbing, and jumping. Players will have to gather resources, craft food and upgrade their weapons to fight off alien wildlife, droids, and humanoid enemies.