- #1 Drox Operative
97% matchVery Positive90% of 321 reviews2014
Dev: Soldak Entertainment
Windows · Mac · Linux
Median: 4.0 hrsMean: 7.8 hrs≥1hr: 86%
Drox Operative is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer for Windows and Mac.Eons ago the Drox ruled the galaxy through their mighty Operatives. These elite starship captains were trained to accomplish the impossible at whatever cost necessary.
Why similar: RPG 18.2%, Space 17.5%, Action RPG 10.4%, Action 9.3%, 4X 8.5% ★
Why You'll Like It: The direct predecessor that established the core loop of dynamic faction wars and procedural space action-RPG gameplay.
- #2 Star Valor
96% matchVery Positive89% of 3,370 reviews2022
Dev: Rafael Burgos
Windows
Median: 4.1 hrsMean: 28.8 hrs≥1hr: 79%
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.
Why similar: Loot 17.6%, RPG 17.5%, Space 16.2%, Procedural Generation 10.6%, Action 8.9%
Why You'll Like It: A sandbox space RPG that excels at providing deep ship customization and a rewarding loot-driven progression system.
- #3 Star Traders: Frontiers
96% matchVery Positive84% of 3,782 reviews2018
Dev: Trese Brothers
Windows · Mac · Linux
Median: 3.4 hrsMean: 24.8 hrs≥1hr: 74%
You are the captain of a starship venturing through a massive open universe. Customize your crew and take command at the helm of your very own ship as you explore a galaxy torn apart by internal strife, alien threats, and political intrigue.
Why similar: RPG 27.6%, Procedural Generation 21.1%, Space 20.7%, Sci-fi 17.6%, Open World 12.9%
Why You'll Like It: Offers deep faction politics, complex RPG character development, and a living galaxy that reacts to your decisions.
- #4 Space Rangers HD: A War Apart
95% matchVery Positive94% of 7,207 reviews2013
Dev: SNK GamesPub: Fulqrum Publishing
Windows
Median: 4.0 hrsMean: 27.8 hrs≥1hr: 89%
Space adventure, open world RPG, strategy, arcade, quest and more!
Why similar: Space 38.7%, RPG 34%, Open World 9.1%, Sci-fi 7.2%, Action 6.3%
Why You'll Like It: Features a highly dynamic galaxy where factions and NPCs act independently, mirroring the reactive world design of Drox Operative.
- #5 Starpoint Gemini Warlords
94% matchMostly Positive73% of 3,583 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 10.9 hrs≥1hr: 87%
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
Why similar: 4X 26.5% ★, RPG 22.6%, Space 22.4%, Open World 11.7%, Sci-fi 9.3%
Why You'll Like It: Combines space combat, RPG character progression, and 4X strategy elements into a cohesive experience.
- #6 Space Pirates And Zombies 2
94% matchMostly Positive79% of 2,833 reviews2017
Dev: MinMax Games Ltd.
Windows · Mac · Linux
Median: 4.6 hrsMean: 13.4 hrs≥1hr: 81%
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.
Why similar: Space 31.2%, RPG 21.4%, Action 13.6%, Open World 10.4%, Indie 9%
Why You'll Like It: Features a dynamic, evolving galaxy where factions fight for territory and resources, similar to the core loop of Drox Operative.
- #7 Starcom: Nexus
92% matchVery Positive90% of 2,300 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 3.8 hrsMean: 13.4 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: Space 29.7%, RPG 22.1%, Sci-fi 10.3%, Action 10.1%, Open World 8.5%
Why You'll Like It: Focuses on exploration and ship upgrades, providing a polished space RPG experience with a strong sense of discovery.
- #8 VoidExpanse
93% matchMostly Positive71% of 765 reviews2015
Dev: AtomicTorch Studio
Windows · Mac · Linux
Median: 3.8 hrsMean: 6.1 hrs≥1hr: 93%
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
Why similar: Space 27.9%, RPG 24.3%, Open World 11.2%, Action 10%, Sci-fi 8.8%
Why You'll Like It: An open-world space RPG that focuses on action-based combat and procedural exploration in a dangerous sector.
- #9 EVERSPACE™ 2
91% matchVery Positive86% of 12,808 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.6 hrsMean: 29.0 hrs≥1hr: 88%
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
Why similar: Loot 20.8%, Space 18.7%, RPG 15.3%, Action RPG 13.1%, Open World 10.3%
Why You'll Like It: A high-fidelity space looter-shooter that leans heavily into action-RPG mechanics and ship customization.
- #10 Din's Legacy
91% matchMostly Positive77% of 197 reviews2019
Dev: Soldak Entertainment
Windows · Mac · Linux
Din's Legacy is an action RPG with mutating characters, set in a dynamic, evolving, fantasy world for Windows, Mac, and Linux.
Why similar: RPG 24.2%, Action 11.8%, Loot 11.1%, Real-Time 10.8% ★, Indie 8.6%
Why You'll Like It: Shares the same developer and core philosophy of a chaotic, evolving world that forces the player to adapt to constant threats.
- #11 Avorion
90% matchVery Positive90% of 14,443 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.8 hrsMean: 99.8 hrs≥1hr: 90%
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Why similar: Space 34.6%, Open World 20.2%, Action RPG 18.2%, Sci-fi 16%, Exploration 11%
Why You'll Like It: A sandbox space sim that allows for extensive ship building and procedural exploration in a vast, faction-filled galaxy.
- #12 Starcom: Unknown Space
88% matchVery Positive93% of 4,345 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 8.5 hrsMean: 16.9 hrs≥1hr: 83%
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
Why similar: Space 26.5%, RPG 17.5%, Action RPG 14%, Open World 12.2%, Sci-fi 8.1%
Why You'll Like It: Refines the exploration and RPG mechanics of its predecessor, offering a deep and engaging space adventure.
- #13 Zombasite
89% matchMostly Positive75% of 215 reviews2016
Dev: Soldak Entertainment
Windows · Mac · Linux
Median: 2.2 hrsMean: 9.8 hrs≥1hr: 59%
Zombasite is a zombie apocalypse action RPG set in a dynamic, evolving, fantasy world for Windows, Mac, and Linux.
Why similar: RPG 28.8%, Action 14.1%, Real-Time 10.3% ★, Indie 9.8%, Action RPG 8.4%
Why You'll Like It: Another title from the same developer that utilizes a reactive, procedural world where factions and monsters interact dynamically.
- #14 Transcendence
89% matchVery Positive88% of 225 reviews2015
Dev: Kronosaur Productions
Windows
Explore the farthest reaches of Human Space in this open-world space adventure. Compelled to journey to the Galactic Core by a mysterious hyperintelligence, you must fight your way through dozens of star systems teeming with clashing empires, expansionist AIs, and fearsome xenophobes.
Why similar: Space 20%, RPG 14.9%, Action RPG 14.9%, Procedural Generation 12%, Open World 10%
Why You'll Like It: A classic space ARPG that emphasizes ship progression, loot, and exploration in a procedurally generated universe.
- #15 Astrox Imperium
87% matchVery Positive84% of 1,232 reviews2019
Dev: Jace Masula
Windows
Median: 4.2 hrsMean: 16.4 hrs≥1hr: 67%
Astrox Imperium is a relaxing space game where you fly around a generated universe. Mining, Fighting, Building, Exploring, and Surviving. What makes this game unique? You have complete control of how it plays. A robust sandbox and lots of MOD tools. Make it your game, and play it your own way.
Why similar: Space 54.8%, Open World 17.2%, Indie 14.8%, Sci-fi 10.6%, Singleplayer 2.5%
Why You'll Like It: A sandbox space RPG that emphasizes mining, trading, and combat within a large, player-driven economy.
- #16 Stellar Tactics
85% matchMostly Positive78% of 1,691 reviews2026
Dev: Don WilkinsPub: Maverick Games
Windows
Median: 3.0 hrsMean: 14.6 hrs≥1hr: 68%
A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with thousands of star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!
Why similar: RPG 26.1%, Space 16.5%, Character Customization 15.1%, Isometric 13.1%, Open World 11.3%
Why You'll Like It: A squad-based RPG that features deep space exploration and tactical combat, perfect for fans of complex character builds.
- #17 Rebel Galaxy
86% matchVery Positive85% of 8,335 reviews2015
Dev: Double Damage Games
Windows · Mac
Median: 1.8 hrsMean: 13.5 hrs≥1hr: 62%
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
Why similar: Space 39.2%, RPG 20.8%, Open World 13.5%, Sci-fi 11.5%, Action 7.6%
Why You'll Like It: Focuses on large-scale space combat and ship upgrades, capturing the feeling of being a mercenary in a dangerous sector.
- #18 Pixel Privateers
86% matchMostly Positive71% of 881 reviews2017
Dev: Quadro DeltaPub: Re-Logic
Windows
Median: 5.8 hrsMean: 11.1 hrs≥1hr: 81%
Pixel Privateers is a Squad Based Tactical RPG “Loot ‘Em Up” that will send your team of mercenaries through a mysterious wormhole on a quest to gather technology for your employer. An entire galaxy awaits - full of worlds to explore, factions to encounter, and epic gear to collect!
Why similar: RPG 39.8%, Action 16.7%, Loot 15.7%, Indie 14.7%, Co-op 6.6%
Why You'll Like It: A squad-based space RPG that focuses on loot-driven progression and tactical combat in a sci-fi setting.
- #19 Nienix: Cosmic Warfare
84% matchVery Positive87% of 352 reviews2023
Dev: HolmCom
Windows · Mac · Linux
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!
Why similar: RPG 18.3%, Loot 14.8%, Action RPG 13.6%, Space 12.3%, Character Customization 10.8%
Why You'll Like It: An action-heavy looter-shooter that features massive space battles and a focus on rapid character growth.
- #20 Destination Sol
84% 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 29.8%, Space 24.1%, Action 13.8%, Open World 11.8%, Indie 10.5%
Why You'll Like It: A fast-paced, procedural space action RPG that emphasizes ship survival and tactical combat.
- #21 Astroloot
81% matchVery Positive92% of 577 reviews2025
Dev: Andreas Hager Gaming
Windows · Mac · Linux
Median: 3.7 hrsMean: 23.4 hrs≥1hr: 75%
Loot, level up, and obliterate everything in your path. Astroloot is a sci-fi bullet heaven with deep ARPG systems, featuring a massive skill tree, deterministic crafting, and near-endless build possibilities.
Why similar: RPG 19.1%, Space 17.7%, Action RPG 17.1%, Loot 14.8%, Sci-fi 9.6%
Why You'll Like It: A fast-paced action-RPG that prioritizes loot collection and arena-style combat in a space setting.
- #22 Star Vortex
81% matchVery Positive86% of 142 reviews2025
Dev: Zorg GamesPub: Hunted Cow Games
Windows
Star Vortex is a fast paced Action-RPG inspired by classics of the genre. Design your ship, fight your way through hostile alien sectors, upgrade as you salvage rare weapons and experiment with different builds until nothing can stand against you.
Why similar: Loot 38.5%, Action RPG 31.5%, Sci-fi 11.2%, RPG 8.5%, Action 4.4%
Why You'll Like It: An action-RPG looter that incorporates procedural elements and modular ship building for varied gameplay.
- #23 Star Nomad 2
83% matchMostly Positive72% of 158 reviews2015
Dev: Huy Phan
Windows · Mac
A space trader & combat sim meets squad-RPG, large scale conquest, choice driven gameplay with fluid & punchy tactical real-time combat set in a dynamic open-world sandbox.
Why similar: RPG 37.9%, Space 28.3%, Open World 10.8%, Indie 9.8%, Sci-fi 9.2%
Why You'll Like It: A sandbox space RPG that blends trading, combat, and faction loyalty in a procedurally generated environment.
- #24 Void Destroyer 2
82% matchVery Positive80% of 669 reviews2020
Dev: Iteration 11
Windows
Median: 2.8 hrsMean: 15.4 hrs≥1hr: 75%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: 4X 33.4% ★, Space 20.3%, Open World 13.8%, Action 12.7%, Sci-fi 10%
Why You'll Like It: Blends space simulation, strategy, and action-RPG elements, allowing for complex fleet management and personal ship combat.
- #25 Ring Runner: Flight of the Sages
82% matchVery Positive83% of 820 reviews2013
Dev: Triple.B.Titles
Windows
Median: 2.1 hrsMean: 5.1 hrs≥1hr: 75%
Ring Runner combines the fast-paced action of space combat with the rich story and skill variety of an RPG.Trek across the universe in a 30 hour long story-driven campaign based on a companion Sci Fi novel, or challenge 6 scenarios alone, cooperatively, or competitively through local or online multiplayer.
Why similar: RPG 33.6%, Space 19.5%, Action 18.9%, Indie 13.1%, Sci-fi 9.3%
Why You'll Like It: Provides fast-paced, action-heavy space combat with deep RPG character customization and skill trees.
- #26 Silent Sector
80% matchVery Positive85% of 147 reviews2021
Dev: Rake in Grass
Windows
Oldschool action open-world sci-fi with a unique storyline, frenetic battles, crude humor, loose morals and cows.
Why similar: RPG 22%, Space 18.1%, Action RPG 15%, Open World 10.6%, Action 10.5%
Why You'll Like It: An indie space RPG that focuses on exploration and ship progression within a hostile, procedurally generated sector.
- #27 BossConstructor
79% matchMostly Positive74% of 219 reviews2016
Dev: Neomateria Games GmbH
Windows · Mac · Linux
Median: 3.6 hrsMean: 6.8 hrs≥1hr: 77%
Scavenge modules, combine them in the deadliest and most efficient ways imaginable, and fly your very own spaceship through alien space with BossConstructor. Thousands of procedurally generated galaxies await you and your space-faring collection of assembled modules to explore them.
Why similar: RPG 35.7%, Space 23.5%, Action 17.8%, Indie 13.8%, Sci-fi 5.2%
Why You'll Like It: Focuses on modular ship building and action-RPG combat, allowing players to create unique vessels for specific roles.
- #28 Starpoint Gemini 2
79% matchMixed70% of 4,114 reviews2014
Dev: Little Green Men Games
Windows
Median: 3.0 hrsMean: 5.3 hrs≥1hr: 88%
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.
Why similar: Space 37.6%, RPG 23%, Open World 11.3%, Action 10%, Sci-fi 9.3%
Why You'll Like It: A space RPG that emphasizes fleet management and tactical combat, providing a grand scale for ship-based progression.
- #29 Warspace 2
77% matchMixed61% of 85 reviews2025
Dev: Magic Game Art
Windows · Mac · Linux
Warspace 2 is a 1-4 player CO-OP space shooter with RPG elements, open-world and procedurally-generated galaxy. You can trade, craft, and fight your way through a universe, either solo or with friends.
Why similar: Loot 19.8%, Space 17.1%, RPG 16.8%, Procedural Generation 9.9%, Co-op 7.9%
- #30 Rebel Galaxy Outlaw
78% matchMixed63% of 1,166 reviews2020
Dev: Double Damage Games
Windows
Median: 42 minMean: 9.1 hrs≥1hr: 42%
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
Why similar: RPG 31.6%, Open World 18.8%, Space 17.3%, Action 16.5%, Sci-fi 15.4%
Why You'll Like It: A space combat sim with a strong focus on ship customization and narrative-driven mercenary missions.
- #31 Nova Drift
74% matchOverwhelmingly Positive96% of 14,493 reviews2024
Dev: ChimericPub: Pixeljam
Windows · Mac
Median: 5.3 hrsMean: 19.5 hrs≥1hr: 75%
Nova Drift distills the mechanical depth and strategy of an ARPG into classic arcade space combat. Control an endlessly evolving bio-mechanical ship, face legions of strange and deadly foes, and ride the wake of a dying star across the void.
Why similar: Space 34.5%, Action RPG 29.1%, Action 20.4%, Indie 13.2%, Singleplayer 2.8%
- #32 Between the Stars
76% matchMostly Positive74% of 2,457 reviews2024
Dev: Isolated Games
Windows
Median: 54 minMean: 8.8 hrs≥1hr: 49%
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Why similar: RPG 30.4%, Space 28.6%, Action 13.9%, Indie 10%, Sci-fi 8.2%
- #33 Space Pirates and Zombies
77% matchVery Positive91% of 3,156 reviews2011
Dev: MinMax Games Ltd.
Windows · Mac · Linux
Median: 2.6 hrsMean: 10.3 hrs≥1hr: 86%
Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.
Why similar: Space 31.2%, RPG 17.5%, Action 12.4%, Procedural Generation 10.1%, Sci-fi 9.2%
- #34 Galaxy on Fire 2™ Full HD
78% matchMostly Positive76% of 2,238 reviews2012
Dev: Fishlabs Entertainment GmbHPub: bitComposer Games
Windows
Median: 48 minMean: 8.9 hrs≥1hr: 46%
A hyperdrive malfunction sends Keith T. Maxwell tumbling through space and time to fight for his life against a mysterious alien armada that is wreaking havoc.
Why similar: Space 49.3%, Action 18.8%, Sci-fi 16%, Exploration 13.5%, Singleplayer 2.4%
Why You'll Like It: A classic space RPG experience that offers deep combat, trading, and a persistent, evolving galaxy.
- #35 Warhammer 40,000: Inquisitor - Martyr
76% matchMostly Positive76% of 22,131 reviews2018
Dev: NeocoreGames
Windows
Median: 6.6 hrsMean: 31.4 hrs≥1hr: 87%
Enter the Chaos-infested Caligari Sector and purge the unclean with the most powerful agents of the Imperium of Man! W40k: Inquisitor – Martyr is a grim Action-RPG featuring multiple classes of the Inquisition who will carry out the Emperor’s will.
Why similar: RPG 20.4%, Loot 17.4%, Action RPG 14.8%, Space 9.8%, Action 8.6%
- #36 SpaceBourne 2
73% matchMostly Positive76% of 5,078 reviews2025
Dev: Burak Dabak
Windows
Median: 2.4 hrsMean: 11.1 hrs≥1hr: 71%
Embark on a journey to greatness. Get ready for adrenaline-fueled battles and a chance to claim your place in the galaxy. Grab the controls of your ship, gear up for the fight, and unleash your ambition to conquer and build a new empire in the vastness of space.
Why similar: RPG 48.1%, Space 30.7%, Open World 21.2%
- #37 CRYPTARK
75% matchVery Positive82% of 1,937 reviews2017
Dev: Alientrap
Windows · Mac · Linux
Median: 24 minMean: 5.5 hrs≥1hr: 33%
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
Why similar: Action 29.8%, Space 24.8%, Indie 17.2%, Procedural Generation 11.4%, Sci-fi 11.2%
- #38 Executive Assault 2
72% matchVery Positive83% of 1,742 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 3.8 hrsMean: 8.3 hrs≥1hr: 76%
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
Why similar: Real-Time 38.6% ★, Space 22.1%, Action 12%, Co-op 9.8%, Sci-fi 8.9%
- #39 Battlevoid: Harbinger
74% matchMostly Positive79% of 1,059 reviews2016
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 1.8 hrsMean: 11.1 hrs≥1hr: 56%
Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.
Why similar: Space 51.7%, Action 17.4%, Indie 13.5%, Sci-fi 9%, Open World 7.1%
- #40 Cosmoteer: Starship Architect & Commander
71% matchVery Positive94% of 12,688 reviews2022
Dev: Walternate Realities
Windows
Median: 19.5 hrsMean: 41.2 hrs≥1hr: 92%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Space 35.8%, Sci-fi 25.2%, Indie 15.1%, Multiplayer 10.3%, Exploration 9.5%
- #41 Salvation Prophecy
75% matchMixed67% of 227 reviews2013
Dev: Firedance Games
Windows · Linux
Median: 54 minMean: 4.7 hrs≥1hr: 49%
Salvation Prophecy is a military space epic. Human, mutant, and robotic factions are at war for galactic domination. Battles rage as space fleets collide. Invaders clash against fortified enemy colonies. Yet the greatest danger is the impending annihilation foretold by an apocalyptic prophecy.
Why similar: RPG 37.8%, Space 23%, Action 19.4%, Indie 11.4%, Sci-fi 8.5%
- #42 Distant Worlds 2
71% matchMostly Positive71% of 3,520 reviews2022
Dev: CodeForcePub: Slitherine Ltd.
Windows
Median: 8.5 hrsMean: 41.5 hrs≥1hr: 74%
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
Why similar: 4X 49% ★, Space 24.8%, Sci-fi 13%, Procedural Generation 11.9%, Singleplayer 1.3%
- #43 Star Singularity
73% matchMostly Positive78% of 69 reviews2018
Dev: Star Bunny Enterprises
Windows
Median: 3.1 hrsMean: 4.9 hrs≥1hr: 76%
A space action-adventure unlike any other: navigate your spacecraft through a galactic-scale mystery. Make sure to loot, craft and upgrade your space fleet. Play the story campaign or test your skills in vicious arena modes against AI opponents.
Why similar: RPG 22.1%, Space 17.8%, Action 11.2%, Procedural Generation 10.9%, Open World 9.7%
- #44 Disputed Space
73% matchMixed65% of 99 reviews2017
Dev: ShilohGames
Windows · Mac · Linux
Experience epic space battles while piloting a small, fast fighter ship as part of a fleet that lashes out against enemy factions across stunning procedurally generated star systems in Disputed Space.
Why similar: Action 29.5%, Space 24.2%, Indie 20.8%, Co-op 13.8%, Sci-fi 10.1%
- #45 StarMade
72% matchMixed68% of 2,985 reviews2014
Dev: Schine GmbH
Windows · Mac · Linux
Median: 1.3 hrsMean: 18.8 hrs≥1hr: 54%
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Why similar: Space 34.5%, Open World 14.7%, RPG 11.6%, Sci-fi 9.4%, Action 7.6%
- #46 PULSAR: Lost Colony
69% matchVery Positive90% of 5,713 reviews2021
Dev: Leafy Games
Windows · Mac · Linux
Median: 7.4 hrsMean: 16.7 hrs≥1hr: 88%
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits
Why similar: RPG 19.7%, Space 19.1%, Co-op 13.3%, Open World 12.3%, Sci-fi 9.6%
- #47 Free Stars: The Ur-Quan Masters
68% matchVery Positive95% of 382 reviews2024
Dev: Pistol Shrimp
Windows · Mac
Experience the award-winning space saga. Travel to hyperspace, discover alien worlds, and meet an eclectic cast of characters. Find out what happened after the Ur-Quan invasion. And if the war still rages, fight for Earth and the Alliance of Free Stars!
Why similar: RPG 25.1%, Action RPG 17%, Procedural Generation 13.7%, Open World 11.2%, Action 10%
- #48 Reality Break
68% matchVery Positive83% of 713 reviews2025
Dev: Element Games, LLC
Windows
Median: 4.1 hrsMean: 11.0 hrs≥1hr: 81%
Rewrite the universe! Break reality to change your fate, and use your powers to stop sinister forces from altering existence itself. Discover the origin of your new abilities in a fast-paced ARPG Loot Collection Roguelite where you will bend, break, and change the laws of the universe!
Why similar: Loot 19.7%, RPG 17.3%, Space 15.6%, Action RPG 13.9%, Character Customization 9%
- #49 Interstellar Rift
70% matchMixed68% of 1,660 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.4 hrs≥1hr: 83%
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Why similar: Space 32.2%, Open World 23.3%, Action 17.7%, Sci-fi 15.5%, Exploration 11.4%
- #50 Vortica
66% matchVery Positive86% of 91 reviews2026
Dev: Vortical StudiosPub: Caketown Interactive
Windows
Vortica is a 2D action roguelite set in a solar system overrun by hostile aliens. Loot up, suit up, and shoot up as you battle against enemy hordes, explore derelict outposts, and hunt giant bosses. But remember to bring the right tools for the job!
Why similar: Loot 30.1%, Space 16.6%, Procedural Generation 14.5%, Sci-fi 13.4%, Action 12.6%
- #51 Guardians of Orion (Phase 2)
71% matchMixed53% of 3,622 reviews2016
Dev: DANKIE
Windows
Median: 2.9 hrsMean: 5.2 hrs≥1hr: 79%
Guardians of Orion is a Sci-Fi Action RPG Looter Shooter with Dinosaurs and Robots. Complete Mission Objectives all over the Galaxy with your friends to earn new Gear & Rewards!
Why similar: RPG 21.5%, Action 19%, Co-op 15.2%, Space 12%, Indie 9.6%
- #52 Sins of a Solar Empire II
66% matchVery Positive84% of 8,424 reviews2024
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 9.5 hrsMean: 30.8 hrs≥1hr: 85%
Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.
Why similar: 4X 29.1% ★, Space 24%, Real-Time 16.5% ★, Co-op 8.5%, Sci-fi 8.1%
- #53 Catharage
67% matchVery Positive83% of 58 reviews2025
Dev: Björn MichalskiPub: Games Foundation GmbH
Windows
A space tactics roguelite with naval combat and extraction elements. Explore space, pick fights, collect loot, then escape. Upgrade and unlock new ships to strengthen your fleet and face tougher foes. Play with up to 4 friends in online coop.
Why similar: RPG 29.9%, Loot 22.4%, Space 17%, Open World 13.4%, Sci-fi 9.1%
- #54 Gangs of Space
70% matchMostly Positive76% of 431 reviews2017
Dev: Little Big MMO
Windows · Mac · Linux
Median: 1.1 hrsMean: 285.7 hrs≥1hr: 52%
Gangs of Space is a massively-multiplayer Rogue Shmup where Gangs of players compete for the conquest of the galaxy.
Why similar: Loot 25%, Space 23.4%, RPG 18.2%, Action 15.7%, Indie 10.1%
- #55 Sector Space
65% matchVery Positive97% of 94 reviews2025
Dev: Robin M. FarrellPub: Outer Vision Games
Windows · Linux
Explore a procedurally generated galaxy, mine asteroids, refine minerals, colonize planets, build stations, deploy drones, salvage rare items, construct gear, level up, improve your ship, assemble a fleet, engage in combat, and take on the void.
Why similar: RPG 59.4%, Space 10.8%, Exploration 8.7%, Action 8.7%, Indie 6.8%
- #56 The Infinite Black 2
67% matchVery Positive85% of 232 reviews2023
Dev: SpellbookPub: www.Spellbook.com
Windows
Command a fleet of ships to hunt aliens, trade resources and loot treasure! Form corporations with your friends while fighting a never-ending intergalactic war in this open-world online space adventure!
Why similar: Space 30.2%, Open World 18.6%, Action 16.9%, Sci-fi 13.1%, Character Customization 13%
- #57 Reassembly
67% matchVery Positive94% of 4,074 reviews2015
Dev: Anisoptera GamesPub: Indie Voyage
Windows · Mac · Linux
Median: 5.0 hrsMean: 26.1 hrs≥1hr: 84%
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Why similar: Space 45.5%, Action 16.7%, Indie 11.6%, Open World 9.9%, Sci-fi 7.8%
- #58 Evochron Mercenary
69% matchMostly Positive77% of 434 reviews2012
Dev: StarWraith 3D Games LLC
Windows
Median: 2.7 hrsMean: 6.8 hrs≥1hr: 73%
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
Why similar: Space 42.7%, Open World 13%, Action 12.7%, Sci-fi 12%, Indie 10.5%
- #59 Xenonauts 2
63% matchVery Positive82% of 5,407 reviews2026
Dev: Goldhawk InteractivePub: Hooded Horse
Windows
Median: 7.5 hrsMean: 21.3 hrs≥1hr: 84%
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.
Why similar: RPG 34.9%, Character Customization 19.3%, Action 16.1%, Sci-fi 14.6%, Choices Matter 12.6%
- #60 Darkstar One
69% matchVery Positive83% of 616 reviews2008
Dev: Ascaron Entertainment ltd.Pub: Strategy First
Windows
Median: 1.0 hrsMean: 8.8 hrs≥1hr: 50%
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
Why similar: Space 33.1%, Action 21.3%, RPG 16.7%, Sci-fi 12.5%, Open World 10.2%