Games like Rebel Galaxy on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Rebel Galaxy are available at the bottom of the page.

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Starpoint Gemini 2 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.

Similarity 84%
Price -99% 0.50€
Rating 6.8
Release 26 Sep 2014
Starcom: Nexus 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.

Similarity 82%
Price 16.79€
Rating 8.6
Release 12 Dec 2019
VoidExpanse 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!

Similarity 81%
Price -94% 1.00€
Rating 6.8
Release 02 Apr 2015
Starpoint Gemini Warlords 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!

Similarity 76%
Price -97% 1.21€
Rating 7.1
Release 23 May 2017
Between the Stars 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.

Similarity 74%
Price -97% 0.89€
Rating 7.3
Release 07 Mar 2024
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.

Similarity 74%
Price Free to play
Rating 8.9
Release 30 Oct 2015
Rodina A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!

Similarity 73%
Price 14.99€
Rating 8.8
Release 28 Jul 2014
Darkstar One 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.

Similarity 73%
Price -89% 1.03€
Rating 7.8
Release 13 Feb 2008
Wayward Terran Frontier: Zero Falls 2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.

Similarity 73%
Price 27.99€
Rating 6.6
Release 11 Feb 2016
3030 Deathwar Redux - A Space Odyssey 3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.

Similarity 73%
Price 14.99€
Rating 8.9
Release 13 Sep 2017
A.I.M.2 Clan Wars A.I.M. 2 is the sequel to the epic science fiction first-person action RPG developed by SkyRiver Studios. Its compelling story and unique look lift off exactly where the original ended. New clans led by Mechminds of the Fifth Generation are powerful and well-organized formations with far-reaching plans.

Similarity 70%
Price -78% 0.67€
Rating 7.4
Release 22 May 2014
Evochron Mercenary The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.

Similarity 69%
Price 14.79€
Rating 7.3
Release 16 Jan 2012
Space Rangers HD: A War Apart Space adventure, open world RPG, strategy, arcade, quest and more!

Similarity 69%
Price -97% 0.48€
Rating 9.1
Release 17 Oct 2013
The Technomancer The Technomancer is a sci-fi RPG that offers players plenty of dynamic combat action based on 4 skill trees dedicated to 3 combat styles and the destructive electrical powers of the Technomancers.

Similarity 67%
Price -93% 0.78€
Rating 6.7
Release 28 Jun 2016
X3: Terran Conflict It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!

Similarity 67%
Price -84% 2.64€
Rating 8.2
Release 16 Oct 2008
Space Pirates And Zombies 2 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.

Similarity 67%
Price 19.99€
Rating 7.6
Release 07 Nov 2017
Mass Effect™: Andromeda Deluxe Edition Return to the Mass Effect universe & lead the first humans in Andromeda on a desperate search for our new home.

Similarity 66%
Price 39.99€
Rating 7.3
Release 11 Jun 2020
SPORE™ Galactic Adventures Take Your Creature From Zero To Galactic HeroGet out of your starship and turn your Spore creatures into legendary Space Captains. For the first time, beam down with your allies to take on action-packed, planetside adventures. Complete quests, collect rewards, and even create your own missions.

Similarity 66%
Price 19.99€
Rating 8.6
Release 23 Jun 2009
Space Pirates and Zombies Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.

Similarity 65%
Price -89% 1.19€
Rating 8.7
Release 15 Aug 2011
Elite Dangerous Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic.

Similarity 64%
Price -89% 2.32€
Rating 7.7
Release 02 Apr 2015
Ring Runner: Flight of the Sages 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.

Similarity 63%
Price -89% 0.59€
Rating 7.9
Release 19 Nov 2013
Rebel Galaxy Outlaw 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.

Similarity 63%
Price -99% 0.43€
Rating 6.2
Release 22 Sep 2020
ELEX ELEX is a handcrafted action role-playing experience from the award-winning creators of the Gothic series, set in a brand new post-apocalyptic Science Fantasy universe that puts players into a huge seamless game world full of original characters, mutated creatures, deep moral choices and powerful action.

Similarity 63%
Price -90% 3.07€
Rating 7.3
Release 17 Oct 2017
Starcom: Unknown Space 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.

Similarity 63%
Price -30% 17.15€
Rating 8.9
Release 02 Sep 2024

Most played games like Rebel Galaxy on Steam

Take a look at the top games like Rebel Galaxy that are currently attracting the largest player bases on the Steam platform, as of July 12th 2025.

1. Cyberpunk 2077

Similarity 49% Cyberpunk 2077 is an open-world, action-adventure RPG set in the dark future of Night City — a dangerous megalopolis obsessed with power, glamor, and ceaseless body modification. Cyberpunk 2077 is a cyberpunk and open world game developed and published by CD PROJEKT RED. Released on December 09th 2020 has received 844,921 reviews of which 713,071 were positive and 131,850 were negative resulting in a rating of 8.4 out of 10. The game has hit the top spot as the #1 most played game like Rebel Galaxy, thanks to its 37,796 peak concurrent players over the last day.
8.4
713,071
131,850

37,796
players

2. The Elder Scrolls V: Skyrim Special Edition

Similarity 55% Winner of more than 200 Game of the Year Awards, The Elder Scrolls V: Skyrim Special Edition brings the epic fantasy to life in stunning detail. The Special Edition includes the critically acclaimed game and add-ons with all-new features. The Elder Scrolls V: Skyrim Special Edition is a open world, rpg and adventure game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on October 27th 2016 has received 337,058 reviews of which 310,162 were positive and 26,896 were negative resulting in an impressive rating of 9.1 out of 10. While seeing 18,592 players online at once in the last 24 hours, this game is currently ranked #2 among games like Rebel Galaxy based on player count.
9.1
310,162
26,896

18,592
players

3. Mount & Blade II: Bannerlord

Similarity 46% A strategy/action RPG. Create a character, engage in diplomacy, craft, trade and conquer new lands in a vast medieval sandbox. Raise armies to lead into battle and command and fight alongside your troops in massive real-time battles using a deep but intuitive skill-based combat system. Mount & Blade II: Bannerlord is a medieval, strategy and open world game developed and published by TaleWorlds Entertainment. Released on October 25th 2022 has received 264,391 reviews of which 232,360 were positive and 32,031 were negative resulting in a rating of 8.7 out of 10. While seeing 15,852 players online at once in the last 24 hours, this game is currently ranked #3 among games like Rebel Galaxy based on player count.
8.7
232,360
32,031

15,852
players

4. Fallout 4

Similarity 52% Bethesda Game Studios, the award-winning creators of Fallout 3 and The Elder Scrolls V: Skyrim, welcome you to the world of Fallout 4 – their most ambitious game ever, and the next generation of open-world gaming. Fallout 4 is a open world, post-apocalyptic and singleplayer game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on November 09th 2015 has received 392,287 reviews of which 326,054 were positive and 66,233 were negative resulting in a rating of 8.2 out of 10. With 12,647 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Rebel Galaxy.
8.2
326,054
66,233

12,647
players

5. The Witcher 3: Wild Hunt

Similarity 48% You are Geralt of Rivia, mercenary monster slayer. Before you stands a war-torn, monster-infested continent you can explore at will. Your current contract? Tracking down Ciri — the Child of Prophecy, a living weapon that can alter the shape of the world. The Witcher 3: Wild Hunt is a open world, rpg and story rich game developed and published by CD PROJEKT RED. Released on May 18th 2015 has received 835,349 reviews of which 802,993 were positive and 32,356 were negative resulting in an impressive rating of 9.5 out of 10. With 11,130 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Rebel Galaxy.
9.5
802,993
32,356

11,130
players

6. The Elder Scrolls® Online

Similarity 48% Every legend starts somewhere and in The Elder Scrolls Online, it starts with you. Join millions of players in an online, fantasy RPG set in a vast living Elder Scrolls world. The Elder Scrolls® Online is a rpg, mmorpg and open world game developed by ZeniMax Online Studios and published by Bethesda Softworks. Released on May 22nd 2017 has received 154,113 reviews of which 125,497 were positive and 28,616 were negative resulting in a rating of 8.1 out of 10. With 11,016 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Rebel Galaxy.
8.1
125,497
28,616

11,016
players

7. No Man's Sky

Similarity 56% No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe. No Man's Sky is a open world, open world survival craft and space game developed and published by Hello Games. Released on August 12th 2016 has received 352,858 reviews of which 293,332 were positive and 59,526 were negative resulting in a rating of 8.2 out of 10. With 9,302 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Rebel Galaxy.
8.2
293,332
59,526

9,302
players

8. Kingdom Come: Deliverance II

Similarity 50% A thrilling story-driven action RPG, with a rich open world, set in 15th century Medieval Europe. Experience the ultimate medieval adventure - through the eyes of young Henry - as you embark on a journey of epic proportions. Kingdom Come: Deliverance II is a rpg, medieval and open world game developed by Warhorse Studios and published by Deep Silver. Released on February 04th 2025 has received 102,337 reviews of which 96,279 were positive and 6,058 were negative resulting in an impressive rating of 9.3 out of 10. With 8,673 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Rebel Galaxy.
9.3
96,279
6,058

8,673
players

9. New World: Aeternum

Similarity 44% Experience a thrilling action RPG set on the supernatural island of Aeternum. Forge your destiny on an adventure filled with danger and opportunity. New World: Aeternum is a open world, massively multiplayer and mmorpg game developed and published by Amazon Games. Released on September 28th 2021 has received 286,878 reviews of which 196,798 were positive and 90,080 were negative resulting in a rating of 6.8 out of 10. With 5,803 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Rebel Galaxy.
6.8
196,798
90,080

5,803
players

10. The Elder Scrolls IV: Oblivion Remastered

Similarity 50% Explore Cyrodiil like never before with stunning new visuals and refined gameplay in The Elder Scrolls IV: Oblivion™ Remastered. The Elder Scrolls IV: Oblivion Remastered is a rpg, open world and fantasy game developed by Bethesda Game Studios and Virtuos and published by Bethesda Softworks. Released on April 22nd 2025 has received 52,558 reviews of which 42,316 were positive and 10,242 were negative resulting in a rating of 7.9 out of 10. With 5,136 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Rebel Galaxy.
7.9
42,316
10,242

5,136
players

Best deals on games like Rebel Galaxy on Steam

Discover fantastic savings with the best discounts on a variety of games like Rebel Galaxy available on Steam right now, updated on July 12th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Rebel Galaxy.

1. Observation

Similarity 53% Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M. Observation is a indie, adventure and sci-fi game developed by No Code and published by Devolver Digital. Released on May 21st 2020 has received 4,773 reviews of which 3,743 were positive and 1,030 were negative resulting in a rating of 7.6 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Rebel Galaxy.
7.6
3,743
1,030

-99% 24.50€ 0.47€

2. Starpoint Gemini 2

Similarity 84% 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. Starpoint Gemini 2 is a space, simulation and rpg game developed and published by Little Green Men Games. Released on September 26th 2014 has received 4,093 reviews of which 2,843 were positive and 1,250 were negative resulting in a rating of 6.8 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Rebel Galaxy.
6.8
2,843
1,250

-99% 31.99€ 0.50€

3. Survive in Space

Similarity 50% The game is spread over 50 different levels, and Sasaki must fight through them all to redeem his people. The game features five powerful bosses that you will encounter at the end of each sector – every nine levels. Each boss is a skill puzzle of his own, with shifting mechanics and environments that will keep you on your toes. Survive in Space is a action, casual and indie game developed by EGAMER and published by SA Industry. Released on May 20th 2016 has received 349 reviews of which 239 were positive and 110 were negative resulting in a rating of 6.5 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Rebel Galaxy.
6.5
239
110

-99% 29.99€ 0.54€

4. Rebel Galaxy Outlaw

Similarity 63% 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. Rebel Galaxy Outlaw is a space sim, open world and action-adventure game developed and published by Double Damage Games. Released on September 22nd 2020 has received 1,033 reviews of which 659 were positive and 374 were negative resulting in a rating of 6.2 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Rebel Galaxy.
6.2
659
374

-99% 24.99€ 0.43€

5. Tin Can

Similarity 46% You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive? Tin Can is a simulation, space and survival game developed by Tin Can Studio and published by Tin Can Studio and IndieArk. Released on May 12th 2022 has received 1,198 reviews of which 1,015 were positive and 183 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Rebel Galaxy.
8.1
1,015
183

-98% 17.99€ 0.46€

6. Two Worlds Epic Edition

Similarity 52% ... 300 years after Aziraal has been banished, a brother and sister are drawn into the conflict which has flared up between the Orcs and the free world. Kyra, the hero's younger sister, suddenly disappears in mysterious circumstances.«...If my family really belongs to the chosen ones, why then have we always been as poor as church mice? Two Worlds Epic Edition is a rpg, open world and fantasy game developed by Reality Pump Studios and published by TopWare Interactive. Released on April 30th 2009 has received 5,594 reviews of which 4,283 were positive and 1,311 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Rebel Galaxy.
7.5
4,283
1,311

-98% 14.79€ 0.37€

7. Pine

Similarity 57% An open-world action adventure game set in a simulated world in which humans never reached the top of the food chain. Pine is a singleplayer, open world and adventure game developed by Twirlbound and published by Kongregate. Released on October 10th 2019 has received 1,798 reviews of which 1,326 were positive and 472 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Rebel Galaxy.
7.1
1,326
472

-98% 20.99€ 0.51€

8. Hellpoint

Similarity 49% Hellpoint is an intense action RPG taking place on Irid Novo, a derelict space station soaked in an intoxicating dark sci fi atmosphere. Fight dreadful creatures, face the Cosmic Gods and unravel their twisted story. Should the challenge be too great, play with a friend in local or online coop. Hellpoint is a souls-like, sci-fi and action game developed by Cradle Games and published by tinyBuild. Released on July 30th 2020 has received 4,293 reviews of which 3,137 were positive and 1,156 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Rebel Galaxy.
7.1
3,137
1,156

-98% 33.99€ 0.72€

9. Family Man

Similarity 45% You owe us money, Joe, and we plan to collect. We don't care where it comes from, but you'd better not skip town on us. Otherwise your family will be searching the river for your body. Family Man is a adventure, rpg and violent game developed by Broken Bear Games and published by No More Robots. Released on May 22nd 2020 has received 582 reviews of which 417 were positive and 165 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Rebel Galaxy.
6.9
417
165

-98% 15.99€ 0.42€

10. Survive in Space

Similarity 50% The game is spread over 50 different levels, and Sasaki must fight through them all to redeem his people. The game features five powerful bosses that you will encounter at the end of each sector – every nine levels. Each boss is a skill puzzle of his own, with shifting mechanics and environments that will keep you on your toes. Survive in Space is a game developed and published by . Released on May 20th 2016 has received 349 reviews of which 239 were positive and 110 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 99% discount, this title has earned the #10 position in the best deals for games like Rebel Galaxy.
6.5
239
110

-99% 29.99€ 0.54€

Free games like Rebel Galaxy on Steam

Check out this fantastic list of free-to-play games like Rebel Galaxy you can enjoy on Steam right now, updated on July 12th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Rebel Galaxy.

1. EVE Online

Similarity 57% EVE Online is a free-to-play community driven space MMO where players can choose their own path from countless different options. Experience space exploration, immense PvP and PvE battles, mining, industry and a thriving player economy in an ever-expanding sandbox. EVE Online is a space, free to play and massively multiplayer game developed and published by CCP. Released on December 15th 2010 has received 36,388 reviews of which 26,813 were positive and 9,575 were negative resulting in a rating of 7.3 out of 10. With 3,336 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Rebel Galaxy.
7.3
26,813
9,575

3,336
players

2. Star Trek Online

Similarity 59% In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before. Star Trek Online is a free to play, sci-fi and massively multiplayer game developed by Cryptic Studios and published by Arc Games. Released on January 31st 2012 has received 20,145 reviews of which 15,939 were positive and 4,206 were negative resulting in a rating of 7.8 out of 10. Thanks to its free to play tag and a daily player base of 997, this game has secured the #2 spot in the ranking of free games like Rebel Galaxy.
7.8
15,939
4,206

997
players

3. Star Trek Timelines

Similarity 53% Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek. Star Trek Timelines is a free to play, strategy and space game developed and published by Tilting Point. Released on July 12th 2017 has received 1,430 reviews of which 938 were positive and 492 were negative resulting in a rating of 6.4 out of 10. Thanks to its free to play tag and a daily player base of 152, this game has secured the #3 spot in the ranking of free games like Rebel Galaxy.
6.4
938
492

152
players

4. Endless Sky

Similarity 74% 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. Endless Sky is a space, free to play and open world game developed and published by Michael Zahniser. Released on October 30th 2015 has received 6,651 reviews of which 6,141 were positive and 510 were negative resulting in a rating of 8.9 out of 10. Attracting a solid base of 101 players due to its free access, this strategy game has achieved the #4 position in the best free games like Rebel Galaxy.
8.9
6,141
510

101
players

5. Return to campus

Similarity 44% An open world school game, you can bully your classmates, collect protection fees, go to the supermarket to make zero-dollar purchases, or even blow up the school. Of course, you can also study hard and exchange ideas with your classmates. Return to campus is a casual, simulation and rpg game developed and published by 聂宇星. Released on January 12th 2025 has received 1,160 reviews of which 923 were positive and 237 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #5 spot among the most played free games like Rebel Galaxy.
7.6
923
237

8
players

6. Planet Explorers

Similarity 44% Planet Explorers is an open world sandbox adventure RPG game set on a distant planet. The game uses a new OpenCL calculated voxel system to allow players to change the terrain in any way, create new objects such as weapons, vehicles, objects, and do it anywhere. Planet Explorers is a open world survival craft, sandbox and open world game developed and published by Pathea Games. Released on November 08th 2016 has received 6,812 reviews of which 4,226 were positive and 2,586 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #6 spot among the most played free games like Rebel Galaxy.
6.1
4,226
2,586

5
players

7. Perpetuum

Similarity 46% Perpetuum is a persistent, sandbox, single server, massively multiplayer sci-fi rpg (MMORPG). Control huge robots and mechs to gain access to an alien planet's resources and knowledge, amass huge wealth, or even claim part of the world for yourself using terraforming and complex infrastructure. Perpetuum is a massively multiplayer, rpg and mechs game developed by Avatar Creations and published by Gamestorm Ltd. Released on October 17th 2014 has received 792 reviews of which 572 were positive and 220 were negative resulting in a rating of 6.9 out of 10. The game currently holds the #7 spot among the most played free games like Rebel Galaxy.
6.9
572
220

4
players

8. Project 5: Sightseer

Similarity 51% Open world multiplayer sandbox/RPG game. Explore, gather, build, research, and fight to protect what's yours -- by yourself or together with your friends. Project 5: Sightseer is a adventure, rpg and action game developed and published by Tasharen Entertainment Inc.. Released on August 16th 2019 has received 531 reviews of which 379 were positive and 152 were negative resulting in a rating of 6.8 out of 10. The game currently holds the #8 spot among the most played free games like Rebel Galaxy.
6.8
379
152

4
players

9. Rogalia

Similarity 47% Rogalia is the sandbox with fantasy open world, meal-based character leveling, nice graphics and cozy atmosphere. Rogalia is a massively multiplayer, rpg and sandbox game developed by TatriX and Nanalli and published by TatriX. Released on October 15th 2018 has received 525 reviews of which 365 were positive and 160 were negative resulting in a rating of 6.7 out of 10. The game currently holds the #9 spot among the most played free games like Rebel Galaxy.
6.7
365
160

4
players

10. The Desolate Hope

Similarity 47% 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. The Desolate Hope is a rpg, adventure and free to play game developed and published by Scott Cawthon. Released on May 05th 2014 has received 1,639 reviews of which 1,508 were positive and 131 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #10 spot among the most played free games like Rebel Galaxy.
8.8
1,508
131

3
players