Top-Rated Free Space Games on Steam
67 free Space games with 500+ reviews and a 70%+ positive rating, newest first.
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Control, I'm Not Coming Back - Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.
May 29, 2026
Scratch Inc. - Build an Empire, From Scratch, in this Scratch Card Idle/Incremental game.
Sep 17, 2025
Galaxy Idle Clicker - Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!
Aug 6, 2025
Once Upon a Galaxy - ONCE UPON A GALAXY is an easy to learn Card Battler with incredible strategic depth and near infinite fun! Which of your favorite characters from myth and fairy tale will you choose?
Jul 29, 2025
waxweaver - A short sandbox rpg game that takes place on a square planet. Explore the world, gather resources, build a home and become stronger.
Apr 10, 2025
Finn Dorset's Institute For Livestock Replication - An animated incremental game about cloning livestock. Make as many moon sheep as you can. Research technology, upgrade your operation and become a clone farm billionaire!
Oct 2, 2024
Super Sus - Welcome to join the multiplayer social deduction game - Super Sus! Engage in intense gameplay with global players, as you strategize to safeguard your spaceship from the cunning Impostors determined to sabotage the mission and eliminate everyone aboard!
Jul 30, 2024
Ocean World: Eden Crafters Prologue - Survive, craft, and automate in this free prologue set on one of the planets you can transform in Eden Crafters, an open-world game where you play solo or with friends to turn a hostile planet into a habitable haven for humanity.
Jun 24, 2024
100 Space Cats - 👨🚀🌌Join the cutest space adventure with Cats in Space! 🪐🚀 Explore charming hand-drawn space locations and adorable cosmo-cats on a quest to find 100 hidden kitties. 🕵️♂️❌ Can you find them all? 🕵️♂️🐈✅
Jun 16, 2024
100 Aliens Cats - 👽🛸 100 Aliens Cats - 🐾 Join the cutest adventure in the Aliens themed locations full of cats! Explore the charming hand-drawn artwork of aliens places and Cats as you embark on a quest to find 100 adorable cats hidden throughout the game. 🕵️♂️❌ Can you find them all? 🕵️♂️🐈✅
Jun 9, 2024
Astrometica: Prologue - Astrometica: Prologue is the free game about surviving in space. You need to use your skills and tools to stay alive. There are many challenges to face, and you need to fight to survive. You also need to build a new base in space.
May 22, 2024
Classic Marathon - From the team that brought you Aleph One, the classic sci-fi FPS Marathon from Bungie on Mac revived for modern hardware by the fan community.
May 10, 2024
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.
Feb 11, 2024
Gatekeeper: Infinity - Prologue version of the game Gatekeeper. Gatekeeper: Infinity is a fast-paced rogue-lite shooter where you'll search for the stolen Heart of the Universe and battle machine enemies! Play solo or join forces with friends in co-op mode.
Nov 10, 2023
Planet S - Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.
Oct 28, 2023
Unnamed Space Idle - Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.
Jul 27, 2023
South Scrimshaw, Part One - South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.
Jun 9, 2023
Quasimorph: End of Dream - Quasimorph: End of Dream is the first chapter of the extraction turn-based RPG Quasimorph. Confront your fears in brutal shootouts with PMC -fighters and demons and try to survive to complete your mission and bring the gear back to your spaceship!
May 31, 2023
Pixel Starships - Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
May 23, 2023
Antimatter Dimensions - Earn antimatter through dimensions! Gain Infinite antimatter to collapse the universe!
Dec 17, 2022
Chicken Invaders Universe - A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.
Dec 15, 2022
Idle Spiral - This is a beautiful "Idle", "Incremental" game based on spirals and mathematics. Your goal is to make the spiral grow farther and farther from the origin. The game is very simple, but it is very deep and can be enjoyed for a long time!
Apr 30, 2022
Prosperous Universe - In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO.
Apr 20, 2022
Mushy - Mushy is a round based first person shooter. The attackers plant a bomb and the defenders defuse it; all while engaging in armed combat!
Feb 15, 2022
Obama - Obama is a third person action-adventure game with bullet-hell inspired combat. Cleanse an unknown alien planet of the beasts that now inhabit it. Find out who is in command and reveal their ultimate goal.
Jan 19, 2022
The Planet Crafter: Prologue - Experience the first stages of terraforming an entire planet in this space survival open world terraforming crafting game prologue. Explore, survive, collect, build your base then create oxygen, heat and pressure to make an hostile planet livable for humanity.
Dec 19, 2021
Cell to Singularity - Evolution Never Ends - The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.
Nov 3, 2021
Lemnis Gate - Lemnis Gate is the revolutionary turn-based combat strategy FPS taking place in a time loop. Master the unique abilities of powerful deep-space operatives and compete in mind-bending four-dimensional battles.
Sep 28, 2021
Samorost 1 - Explore the beginnings of the Samorost series in the space gnome’s original bite-sized adventure, formerly released in 2003. Now with remastered sounds, enhanced graphics, and new music by Floex.
May 20, 2021
Exo One: Prologue - A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time. This is the prologue for Exo One.
Aug 21, 2020
Occupy Mars: Prologue (2020) - Occupy Mars: Prologue is an old introduction to the world of Occupy Mars in which you have to use your brain in order to survive. The Prologue tells a separate story in a closed location and shows a sneak-peek of the full game mechanics.
Aug 20, 2020
STAR WARS™: The Old Republic™ - STAR WARS™: The Old Republic™ is a free-to-play MMORPG that puts you at the center of your own story-driven saga. Play as a Jedi, Sith, Bounty Hunter, or one of many other iconic STAR WARS roles in the galaxy far, far away over three thousand years before the classic films.
Jul 21, 2020
Unfortunate Spacemen - An online multiplayer game about shapeshifting deception and betrayal! As a hapless, brave spaceman employed by The Company you'll work diligently to defend and be rescued from failing outposts, but not everyone around you is who they claim to be...
Jun 12, 2020
We Went Back - We Went Back is a time-looping horror game in which you wake up in an abandoned space station utterly alone. The exit door is locked and you must find a way to escape what lurks within. Find clues, experience dynamically changing environments and confront terror in order to find a way out.
Apr 3, 2020
Destiny 2 - Explore the mysteries of Sol and experience exhilirating first-person shooter combat in Destiny 2. Unlock powerful abilities and collect unique gear across story missions, co-op, and PvP modes.
Oct 1, 2019
Gravitas - Gravitas is a short first-person puzzle platforming game that transports you to the Gallery of Refined Gravity. Manipulate gravity and the gallery itself to prove yourself a pupil worthy of the Curator’s masterwork.
Aug 23, 2019
The Orville - Interactive Fan Experience - Step aboard the USS Orville (ECV-197), the Planetary Union's finest mid-level exploratory class cruiser. With every room on every deck recreated with painstaking accuracy, you are free to explore the ship at your leisure and engage in all manner of shenanigans!
Jul 23, 2019
Hades' Star - A unique space strategy game where thousands of players participate in one shared galaxy.
Feb 27, 2019
Project Eagle: A 3D Interactive Mars Base - An interactive art demo that showcases what a future base on Mars could look like. Project Eagle isn't a game - but an exploration of mankind's possible future.
Nov 27, 2018
VR Flush - You are sitting on a toilet when you are abducted and beamed up to an alien spaceship, where you have to convince an A.I. that you really are an intelligent lifeform.
Jun 20, 2018
Odysseus Kosmos and his Robot Quest: Episode 1 - What do you do if you are the only one left aboard a spaceship? Your team has embarked on a mysterious expedition a few years ago, the ship’s machinery has started acting up and it seems there are ghosts wandering about. Luckily, the black hole above you doesn’t pose any problems…yet.
Jan 12, 2018
Galactic Junk League - Build anything. Fight anyone. In space. Highly tactical competitive sci-fi combat/building multiplayer free-to-play game. Bit of MOBA, bit of sandbox. Try it out to see for yourself!
Jul 26, 2017
Learn to Fly 3 - Build your spaceship from scratch, earn funds and invest them into building a bigger, better spaceship as you try and fly your way up to space!
May 12, 2017
Marvel's Guardians of the Galaxy: The Telltale Series - From Earth to the Milano to Knowhere and beyond, and set to the beat of awesome music, this five-part episodic series puts you in the rocket-powered boots of Star-Lord in an original Guardians adventure.
Apr 18, 2017
Star Crusade CCG - Star Crusade: War for the Expanse is a free-to-play, online, digital collectible card game (CCG) based in a richly styled sci-fi universe, where each player takes command of one of the six factions vying for supremacy in an unclaimed exotic sector of space.
Sep 7, 2016
Istrolid - In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.
May 6, 2016
Star Realms - Star Realms is a hugely popular space combat deckbuilding game. Download and play today (note: base set is required to play online) to find out why Star Realms is the winner of SXSW 2014 Board Game of the Year, 7 Golden Geek Awards from BoardGameGeek, and 2 Dice Tower awards!
Mar 8, 2016
Overload Playable Teaser 3.0 - A playable demo of the game Overload, a new six-degree-of-freedom shooter from the creators of Descent. Version 3.0 is from April 2018.
Mar 7, 2016
Space Pilgrim Episode I: Alpha Centauri - Captain Gail Pilgrim has been flying starships since she was a kid, ferrying passengers between planets and space stations across the galaxy. She has no reason to expect that this latest trip to Alpha Centauri will be anything special, even if her passengers are a little more diverse than usual....
Dec 21, 2015
Endless Sky - Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
Oct 30, 2015
