- #1 Captain Starshot
97% matchMostly Positive73% of 276 reviews2019
Dev: Double Door Games
Windows
Fight fierce hostile alien space ships to neutralize their defenses before you board their ships and battle intense on-foot encounters. Eliminate their forces and steal their technology to upgrade your squad with different abilities and save the galaxy!
Why similar: RPG 30.9%, Action 25.7%, Adventure 24.6%, Indie 18.8%
- #2 ProtoGalaxy
96% matchMixed59% of 68 reviews2010
Dev: Source Studio Ltd.
Windows
Median: 12 minMean: 4.6 hrs≥1hr: 25%
Earth is under siege! A mysterious and powerful alien race has come to enslave the entire galaxy, and your fleet is humanity's last hope. You must put an end to the attacks and rebuild a home for the survivors.
Why similar: Action 56.3%, Indie 43.7%
- #3 Stargunner
96% matchVery Positive81% of 148 reviews2014
Dev: Apogee Entertainment
Windows · Mac
Median: 18 minMean: 9.0 hrs≥1hr: 32%
In the far distant future, an epic war for survival takes place... Deep within the Andromeda galaxy, the people of Zile grow restless and greedy. The Zilions secretly prepare for a massive strike against the nearby planet Ytima. Fearing such an attack, the Ytimians train an elite squad of "Stargunners.
Why similar: Action 100%
- #4 Galaxy in Turmoil
95% matchMostly Negative39% of 302 reviews2020
Dev: Frontwire Studios, LLC
Windows
Galaxy in Turmoil's conceptual Early Access game is a FREE multiplayer combined-arms game set in a brand-new universe, created by a team of volunteers. It’s all about endless arms races, corporate espionage, and, most of all, blasting up on the enemy faction and taking their stuff.
Why similar: Action 42.7%, Adventure 32.3%, Indie 24.9%
- #5 Deadly Station
94% matchMixed47% of 57 reviews2018
Dev: RPG Adventures Team
Windows
Median: 1.1 hrsMean: 5.4 hrs≥1hr: 59%
Discover thet dark story of this space station and find a way out.
Why similar: Action 37.3%, Adventure 36.1%, RPG 26.6%
- #6 Wonky Ship
94% matchMixed57% of 53 reviews2017
Dev: Kiz StudiosPub: You42, Inc.
Windows · Mac
You're a daring intergalactic pilot, desperately trying to outmaneuver the ravenous pull of a plasma-fueled black hole. You'll weave, dodge, cuss, flip out, and roll around like you've never done in a video game before. And then you'll die. Often.
Why similar: Action 100%
- #7 RX squad
93% matchMostly Positive70% of 81 reviews2016
Dev: YFYX GAMESPub: My Way Games
Windows
Median: 3.1 hrsMean: 3.7 hrs≥1hr: 87%
The earth is suffering from an attack of space monsters, and the terran defense forces are called for combat and the annihilation of the monsters. The RX Squad with their advanced ships risks themselves to keep the earth in peace.
Why similar: Action 38.3%, Adventure 34.8%, Indie 26.9%
- #8 Destination Sol
92% matchMostly Positive79% of 1,362 reviews2015
Dev: MovingBlocks
Windows · Mac · Linux
Median: 30 minMean: 3.8 hrs≥1hr: 30%
Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter!
Why similar: RPG 52.9%, Action 27.5%, Indie 19.6%
- #9 PLANETS OF WAR
91% matchMixed59% of 291 reviews2017
Dev: Indiecode Games
Windows
Median: 18 minMean: 2.7 hrs≥1hr: 11%
This is a Short Clicking Adventure Game in which you Save Earth from an Alien Invasion.
Why similar: Action 42%, Adventure 31.5%, Indie 26.5%
- #10 500 Years Act 1
91% matchMostly Negative33% of 73 reviews2015
Dev: Poorwill Games
Windows
Median: 3.0 hrsMean: 16.5 hrs≥1hr: 87%
500 Years is an old school episodic space opera with non-traditional combat controls. The game is an adventure where you explore different star systems and meet the inhabitants, some friendly, and some not so friendly.
Why similar: RPG 52.1%, Adventure 27.4%, Indie 20.5%
- #11 Project Asteroids
89% matchMixed56% of 128 reviews2024
Dev: Aleksandr Serdiuk
Windows
In the vastness of space, you are a lone robot desperately trying to survive. Build, explore, and fight for your life as you face deadly threats in the asteroid belt. This hardcore game shows no mercy—dangers lurk at every step, ready to destroy you at any moment.
Why similar: Action 45.8%, Adventure 33.7%, Indie 20.5%
- #12 DIVE: Starpath
90% matchMostly Positive77% of 62 reviews2018
Dev: Gravity Well Studios
Windows
Median: 1.3 hrsMean: 8.6 hrs≥1hr: 63%
DIVE: Starpath is a third-person runner set in the stratosphere of massive planets. Guide yourself through the perils of interstellar space as you pursue a mysterious traveler. Fight gravity, gather the data canisters, and don't lose orbit!
Why similar: Action 57.6%, Indie 42.4%
- #13 Robotex
89% matchMostly Negative38% of 978 reviews2014
Dev: YFYX GAMESPub: My Way Games
Windows · Mac · Linux
Median: 2.4 hrsMean: 2.9 hrs≥1hr: 66%
Life on Earth is unsustainable. Humanity must seek a new home but the only planet found is very hostile. You were sent on a expedition to slay the monsters inhabiting the surface of this planet. In this adventure you end up being the villain. Game contains two basic controls, many puzzles and lots of guns and enemies.
Why similar: Action 38.5%, Adventure 32.5%, Indie 29.1%
- #14 Event Horizon
87% matchVery Positive82% of 193 reviews2018
Dev: Pavel Zinchenko
Windows · Mac · Linux
Take command of a space fleet and start your galaxy exploration mission.
Why similar: RPG 50.3%, Action 29.2%, Indie 20.5%
- #15 Andromeda One Zombies
86% matchMixed44% of 70 reviews2020
Dev: Yann GEFFROTIN
Windows
Andromeda One Zombies is an First Person Shooter video game featuring zombies. The game take place in the far future where spatial exploration of galaxy is possible. A virus has spread and now zombies are rampant. The hero is in the military and try to bring order in the Andromeda galaxy.
Why similar: Action 59%, RPG 41%
- #16 Space Pressure 3D: Prelude
84% matchVery Positive85% of 130 reviews2023
Dev: Maze TeamPub: Tinaynox
Windows
Immerse yourself in the story of two brave space amazons who dare to challenge the irresponsible aristocratic system. Overcome all the obstacles that appear on your way - hordes of space scavengers, armies of General Admiral and get to the main villain - Evil Moneybag!
Why similar: Action 62.8%, Indie 37.2%
- #17 Kith - Tales from the Fractured Plateaus
85% matchVery Positive80% of 60 reviews2017
Dev: Screwy Lightbulb
Windows · Linux
Kith is free regular mini-adventure series, set on a planet covered in fractured plateaus above a dark and ominous mist.
Why similar: Adventure 59.1%, Indie 40.9%
- #18 DarkOrbit Reloaded
82% matchMostly Negative28% of 346 reviews2025
Dev: Bigpoint GmbH
Windows
Dark Orbit is a free-2-play space MMO where three companies battle for galactic domination. Customize ships, trade resources, fight aliens and uncover a grand conspiracy on your epic cosmic journey. Thrilling PvP and PvE missions await! Will you lead your faction beyond the final frontier?
Why similar: RPG 58.1%, Adventure 32.5%, Action 9.3%
- #19 A.R.M. PLANETARY PROSPECTORS EP1 Asteroid Resource Mining
86% matchMixed40% of 67 reviews2015
Dev: Nefarious Dimensions Interactive GamesPub: Nefarious Dimensions Inc.
Windows
An expedition finds an artifact in an asteroid, teleporting the crew to an alien realm. Enslaved on a mining barge, they wield mech suits to survive, scavenging and scheming to escape—and wield the device that could rewrite Earth’s fate.
Why similar: RPG 41.6%, Action 22.4%, Adventure 21%, Indie 15.1%
- #20 Spaceship Looter
84% matchMostly Positive71% of 232 reviews2017
Dev: Luxorix Games
Windows
Median: 4.4 hrsMean: 5.3 hrs≥1hr: 93%
Spaceship Looter is an action roguelike game, where mercenaries of all stripes rob drifting schooner, lost transtport ships and abandoned military cruisers - all what is filled with tons of valuable loot and hidden in the deep space.
Why similar: RPG 33.7%, Action 28%, Adventure 21%, Indie 17.2%
- #21 The Desolate Hope
81% matchVery Positive92% of 1,763 reviews2014
Dev: Scott Cawthon
Windows
Median: 30 minMean: 17.5 hrs≥1hr: 39%
On a distant edge of an unknown planet, an abandoned structure sits in silence. Constructed by an unmanned research vessel sent from Earth, the Lun Infinus station was designed to run simulations for a five year period, exploring possibilities of human colonization in the case that Earth became uninhabitable.
Why similar: RPG 99%, Adventure 0.4%, Action 0.3%, Indie 0.3%
- #22 Metonymy
83% matchMixed57% of 67 reviews2017
Dev: Joseph Bramlett
Windows
Metonymy follows the story of Colin, Enoch and Tracy as they travel across a dystopian version of limbo filled with a corrupt theocratic government known as the Choir and the unbreakable hordes of the disease that appose them.
Why similar: Adventure 53.9%, Indie 46.1%
- #23 The Wraith of the Galaxy
79% matchMostly Positive78% of 186 reviews2023
Dev: Whale Rock Games
Windows
The Wraith of the Galaxy is a third-person space combat game. Aliens have taken over outer space in order to conduct experiments on entire planets. Destroy them or they will destroy you.
Why similar: Action 52.2%, Adventure 47.8%
- #24 Starcom: Nexus
77% matchVery Positive91% of 2,274 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 3.8 hrsMean: 13.6 hrs≥1hr: 84%
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
Why similar: RPG 43.1%, Action 22.1%, Adventure 20.3%, Indie 14.5%
- #25 Starlight Inception™
82% matchMostly Negative21% of 62 reviews2014
Dev: Escape Hatch Entertainment, LLC
Windows
Median: 2.6 hrsMean: 3.7 hrs≥1hr: 89%
Travel a hundred years into the future to pilot advanced starfighters through the greatest conflict humankind has ever known. The next generation of space combat is here. . Light up the Sky!
Why similar: Action 60.7%, Indie 39.3%
- #26 It's time to get out from the solar system
81% matchMostly Negative55% of 128 reviews2015
Dev: WTFOMGames
Windows · Linux
Median: 3.0 hrsMean: 3.5 hrs≥1hr: 90%
A game with a futuristic anti-utopian story — a hardcore space shooter with RPG elements.
Why similar: RPG 46%, Action 29.4%, Adventure 24.6%
- #27 Codename: Rogue Fleet
80% matchMixed59% of 318 reviews2016
Dev: SionoiS
Windows
Median: 36 minMean: 9.0 hrs≥1hr: 39%
Codename: Rogue Fleet is a multiplayer team-based game about spaceships combat.
Why similar: Action 61.6%, Indie 38.4%
- #28 Elon Simulator 2019
78% matchVery Positive81% of 495 reviews2019
Dev: SRS Games
Windows · Mac · Linux
The year is 2019.. There is a loong way to the Mars.
Why similar: RPG 29.6%, Action 29.3%, Adventure 22.2%, Indie 18.9%
- #29 SPACERIFT: Arcanum System
76% matchMostly Positive77% of 495 reviews2020
Dev: Arcanum Team
Windows
Median: 54 minMean: 10.2 hrs≥1hr: 44%
At the sunset of human life on planet Earth, you are a military pilot controlling a space ship, and you find yourself at the very epicenter of the battle in the solar system. You are forced to retreat into the unknown, distant Arcanum system through hyper-jumping.
Why similar: Indie 67.5%, Adventure 32.5%
- #30 TechnoTsunami
76% matchVery Positive93% of 55 reviews2020
Dev: Neon Castle
Windows
Solve puzzles to uncover the mysteries of a space cruise ship. Fight or work together with robots which are remotely controlled by humans on Earth. Collect the technology coming from the future which might cause an apocalypse. Save the future and the past before it’s too late.
Why similar: Adventure 37.7%, Indie 27.4%, RPG 22.4%, Action 12.6%
- #31 AirBuccaneers
78% matchMixed61% of 690 reviews
Dev: LudoCraft Ltd.
Windows
Median: 1.6 hrsMean: 3.6 hrs≥1hr: 86%
Welcome to the ancient North, once the cradle of culture and peace, but is now corrupted by magic and inhabited by nasty bandits sowing destruction in airships.Choose to be a vicious Buccaneer or an infamous Viking and take a glider to the skies. Your goal is to drop enemy vessels and secure dominance of the ancient North.
Why similar: RPG 39.9%, Action 32.1%, Indie 28%
- #32 Space Aces
72% matchMixed63% of 350 reviews2026
Dev: DewEnforcerPub: Space Aces
Windows
Space Aces is an indie space shooter that plunges you into an online universe full of action, strategy, and fierce competition. Step into the cockpit and evolve from a rookie pilot into the most feared Ace in the galaxy!
Why similar: Action 100%
- #33 Shot In The Dark
77% matchMixed47% of 176 reviews2015
Dev: Technomancy Studios
Windows
Median: 4.4 hrsMean: 6.0 hrs≥1hr: 95%
Shot in the Dark is a multiplayer arena FPS that takes place in a dystopian future where multiple factions have sent their agents to kill for sensitive government information. You take control of one of these agents in an attempt to survive this low-light arena skirmish... in the dark.
Why similar: Action 55.9%, Indie 44.1%
- #34 Loop-Loop DX
73% matchVery Positive98% of 444 reviews2020
Dev: Alex Carpenter
Windows · Mac · Linux
Far into the future, a galactic super prison known as "The Prisom" keeps the Galaxy's most dangerous criminals within it's colorfully crystalline walls. Escape this superstructure by blasting down prison staff, other criminals, and even... yourself.
Why similar: Action 38.4%, Adventure 34.2%, Indie 27.4%
- #35 Gangs of Space
74% matchMostly Positive76% of 430 reviews2017
Dev: Little Big MMO
Windows · Mac · Linux
Median: 1.1 hrsMean: 281.6 hrs≥1hr: 53%
Gangs of Space is a massively-multiplayer Rogue Shmup where Gangs of players compete for the conquest of the galaxy.
Why similar: RPG 39.2%, Action 37.9%, Indie 22.9%
- #36 Mr Blaster
75% matchMixed64% of 81 reviews2017
Dev: ENTERiPub: Forever Entertainment S. A.
Windows · Mac · Linux
Median: 3.5 hrsMean: 5.2 hrs≥1hr: 94%
Mr Blaster is a higher-level space adventure with an aim to conquest the universe. It’s a way to test strategic playing skills and the precision of shooting. A galactic war over the conquest of a planet and seizing the opponent’s flag
Why similar: Action 62.9%, Indie 37.1%
- #37 Precursors
75% matchMixed68% of 111 reviews2017
Dev: Deep ShadowsPub: GFI
Windows
Median: 54 minMean: 8.6 hrs≥1hr: 47%
Precursors, predecessors, the legend of galaxy… Who are carrying the forebear’s genes among existing races, we can suppose only… Worlds of galaxy are everlasting, beautiful, unique and dangerous. Some of them are inhabited, some ruined and deserted, other - just a smugglers trans-shipment stations.
Why similar: RPG 71%, Action 29%
- #38 The Infinite Black
74% matchMixed66% of 212 reviews2016
Dev: SpellbookPub: www.Spellbook.com
Windows · Mac · Linux
Median: 5.5 hrsMean: 83.9 hrs≥1hr: 73%
Fleet up with thousands of players in The Infinite Black -- The wildly popular online space combat and adventure game! Command massive spaceships, form powerful corporations, and battle it out in never-ending intergalactic warfare!
Why similar: RPG 72.8%, Indie 27.2%
- #39 UFO - Unfortunately Fortunate Organisms
73% matchVery Positive86% of 63 reviews2017
Dev: Rebourne StudiosPub: Back To Basics Gaming
Windows · Mac · Linux
Median: 3.2 hrsMean: 3.2 hrs≥1hr: 69%
U.F.O is an alien resource management action game where you beam up humans using your spaceship and churn them into resources to upgrade your spaceship. In 30 days, the evil galactic warlord will complete his master weapon. Can you defeat him in time or will he bring extinction to your race?
Why similar: Action 59.3%, Indie 40.7%
- #40 Space Commander: War and Trade
71% matchMixed67% of 688 reviews2020
Dev: Home Net Games
Windows · Mac · Linux
Median: 1.2 hrsMean: 9.2 hrs≥1hr: 57%
Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.
Why similar: RPG 60.3%, Action 36.3%, Indie 3.4%
- #41 Earth's Shadow
69% matchVery Positive91% of 94 reviews2023
Dev: WRF Studios
Windows
Earth's Shadow is a third person action Sci-Fi dungeon crawler set in the year 3081 on planet Sumbra; a remote alien planet where legends of valuable relics surround this black world, calling to the greedy and brave explorers seeking a bright future... but end up uncovering an even darker past.
Why similar: RPG 63.5%, Action 36.5%
- #42 Mothlight
70% matchVery Positive94% of 420 reviews2017
Dev: Samu
Windows
Median: 4.0 hrsMean: 13.9 hrs≥1hr: 72%
In a world corrupted by Eldritch abominations, Enzo must climb out of the hellish depths of the universe. From the Black Sea to the Planes of Neethan, it is your job to make your pilgrimage back to the Worlds above. In the black hell of this world, only Moths and demons await you.
Why similar: RPG 73.9%, Indie 26.1%
- #43 X Rebirth
72% matchMixed44% of 7,305 reviews2013
Dev: Egosoft
Windows · Mac · Linux
Median: 3.3 hrsMean: 19.2 hrs≥1hr: 88%
In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.
Why similar: Action 91.2%, Adventure 8.8%
- #44 Neospace: Prologue
67% matchVery Positive90% of 59 reviews2024
Dev: DreamStudios
Windows
You wake up in a spaceship, you realize that strange things are going on there, you try to get back to civilization. However, this is harder than you think, the encounters will drive you crazy and you will doubt yourself.
Why similar: RPG 55.4%, Adventure 40.7%, Indie 4%
- #45 They Came From a Communist Planet
70% matchVery Positive87% of 210 reviews2019
Dev: Colestia
Windows
THEY CAME FROM A COMMUNIST PLANET is a first-person riot game where aliens reach earth and trigger a socialist revolution. Break through police lines with bricks and molotovs as you follow the aliens into a communist future!
Why similar: Action 37.9%, Adventure 35.5%, Indie 26.6%
- #46 Space Station: Beyond
66% matchVery Positive85% of 80 reviews2026
Dev: DEATHB4DEFEATPub: Pspritechologist
Windows · Mac · Linux
Play as a variety of creatures or characters and try to survive either maintaining or attacking a space station while everything that can go wrong has already gone wrong.
Why similar: RPG 66.1%, Action 33.9%
- #47 Orange Cast: Prologue
71% matchMixed47% of 123 reviews2020
Dev: Team RezPub: Valkyrie Initiative
Windows
Median: 30 minMean: 4.6 hrs≥1hr: 31%
Prologue to Orange Cast, an atmospheric adventure in a large-scale setting where Soviet and Western science fiction are combined itself. As a humanity’s elite space trooper, you take on a heroic, action-packed adventure throughout the galaxy.
Why similar: Action 100%
- #48 The Pegasus Expedition
68% matchMixed63% of 382 reviews2023
Dev: Kalla GameworksPub: Fulqrum Publishing
Windows
Median: 3.7 hrsMean: 5.8 hrs≥1hr: 93%
The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth.
- #49 Space Bob vs. The Replicons
70% matchVery Positive90% of 98 reviews2018
Dev: Intravenous SoftwarePub: Independent
Windows · Mac · Linux
Help clueless Bob survive his first day of work in this procedurally generated, planet hopping, gravity simulator. Haul loot and resources back in to orbit while simultaneously fighting off a full scale alien invasion in this rogue-lite survival hybrid quite unlike anything you've played before.
Why similar: Adventure 32.9%, RPG 31.3%, Action 22.1%, Indie 13.7%
- #50 Rocket Squad: Infinity
67% matchMixed49% of 75 reviews2025
Dev: Jackto Studios
Windows
Rocket Squad is a team-based first-person shooter. Infiltrate perilous planets, gather resources, and return safely to your shelter. Utilize each character's unique abilities and strategically form your team to restore order to the universe.
Why similar: Action 74.9%, Indie 25.1%
- #51 STAR WARS™: Dark Forces Remaster
64% matchVery Positive90% of 1,475 reviews2024
Dev: Nightdive Studios
Windows
Median: 1.7 hrsMean: 4.3 hrs≥1hr: 60%
The evil Empire is currently creating a doomsday army behind a veil of secrecy. However, they are no match for the Rebel Alliance's covert operations division. Your mission is to infiltrate the Empire and put an end to their plans for terror and domination.
Why similar: Action 57.4%, Adventure 42.6%
- #52 Salvagers
65% matchVery Positive80% of 50 reviews2025
Dev: Tomasz Banaś
Windows · Linux
In Salvagers, you command a small crew of greedy explorers that land on abandoned space stations that litter the galaxy, and it's your job to loot them for anything worth a credit. Scrap tech, lost weapons, forgotten treasures - everything has a price.
Why similar: RPG 47.1%, Action 27.7%, Adventure 25.2%
- #53 Akimbot
64% matchVery Positive81% of 707 reviews2024
Dev: Evil RaptorPub: PLAION
Windows
Median: 2.2 hrsMean: 4.5 hrs≥1hr: 67%
In the action-adventure platformer, Akimbot, blast your way through armies of robots, pilot spaceships and forge your own path to save the universe from impending doom! Set in a sci-fi world where only robots exist, travel the galaxy and experience non-stop robot mayhem and explosive action!
Why similar: Action 66.9%, Adventure 33.1%
- #54 Iron Sky: Invasion
69% matchMixed63% of 1,301 reviews2012
Dev: Reality PumpPub: Topware Interactive
Windows · Mac · Linux
Median: 4.8 hrsMean: 22.4 hrs≥1hr: 89%
In the near future, mankind faces the greatest threat to its posterity ever in recorded history: an invading Nazi horde, reborn in the depths of space! An armada of Fourth Reich ships, built in secret at a hidden base on the moon, descends upon the Earth to rain terror and destruction.But this is not done without resistance.
Why similar: Action 100%
- #55 Deep Space Classic
69% matchMixed59% of 107 reviews2018
Dev: Bondo Games
Windows
An alien force is threatening to destroy the stability of the galaxy! Play as an unknown creature or a Spacefleet Officer in this Online Sci-Fi Horror!
Why similar: Action 60.9%, Indie 39.1%
- #56 Genokids
61% matchVery Positive100% of 227 reviews2025
Dev: Nukefist
Windows · Mac · Linux
A bizarre music band named Genokids is rocking one of their best concerts to date when The Infinite Empire of Zenodia decides to invade Earth and assimilate mankind, landing right on top of the band and ruining both their concert and mood.
Why similar: Action 67.9%, Indie 32.1%