Games like X: Beyond the Frontier on Steam

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

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The Final Earth 2 The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?

Similarity 59%
Price 9.75€
Rating 8.9
Release 15 Jul 2022
STAR WARS™ - X-Wing Special Edition Against the overwhelming might of the Empire stands a small but growing Rebel Alliance. Scattered resistance groups are uniting and what is needed most now are Starfighter pilots. Will you join their struggle to end this tyranny and become a hero of the Rebellion?

Similarity 59%
Price 9.75€
Rating 7.3
Release 28 Apr 2015
Star Wolves Star wolves is a 3D space RPG with deep strategy and tactical elements. The game thrusts players into a world of freelance space hunters in the XXI-XXII century A.D. during a time of political crisis for the all-powerful Empire and the three mega-corporations that control all the known worlds.

Similarity 59%
Price -84% 0.66€
Rating 7.9
Release 02 Mar 2010
Aven Colony Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world.

Similarity 58%
Price -99% 0.47€
Rating 7.1
Release 25 Jul 2017
Stellar Warfare Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!

Similarity 58%
Price -79% 4.25€
Rating 8.0
Release 04 Aug 2021
Void Destroyer 2 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.

Similarity 58%
Price 8.19€
Rating 7.7
Release 06 Feb 2020
TransOcean: The Shipping Company TransOcean – The Shipping Company is your ticket to the world of gigantic ships and transnational transport empires. Build a mighty fleet of modern merchant ships and conquer the seven seas.

Similarity 58%
Price -95% 1.00€
Rating 7.1
Release 23 Sep 2014
Deep Space Battle Simulator Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!

Similarity 58%
Price 9.99€
Rating 7.4
Release 05 Nov 2021
The Guild II The Guild 2 is the shining successor of the ultra successful medieval life sim, Europe 1400. The Guild 2 is a unique mixture of RPG and life simulation in an immersive middle ages scenario. The player and his party become part of history and can even change it in real-time. Go back to the dark middle ages and found a new dynasty!

Similarity 58%
Price 9.99€
Rating 6.8
Release 24 Jun 2010
House of the Dying Sun House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.

Similarity 57%
Price 19.99€
Rating 8.6
Release 01 Nov 2016
BattleGroupVR BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship.

Similarity 57%
Price -98% 0.42€
Rating 8.7
Release 31 Jul 2023
STAR WARS™ Empire at War - Gold Pack Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld?

Similarity 57%
Price 19.50€
Rating 9.6
Release 25 May 2010
Project AURA Project Aura is a micro management game where you lead a Colony of Climate Disaster Survivors. You have been assigned the mission to build an habitat capable of survival in this new unknown world.

Similarity 56%
Price 12.99€
Rating 6.3
Release 17 Apr 2018
Startopia A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...

Similarity 56%
Price -91% 0.56€
Rating 8.5
Release 10 Oct 2013
Port Royale 3 The Caribbean, in the turbulent 17th Century. The mighty kingdoms of Spain, England, France and the Netherlands fight over the colonies. And there you are, a young sea captain whose only goal is to become the most powerful man in the New World.

Similarity 56%
Price -94% 0.97€
Rating 7.1
Release 04 May 2012
Sword of the Stars: Complete Collection Sword of the Stars: Complete Collection is the original Sword of the Stars games and the three expansions Born of Blood, A Murder of Crows and Argos Naval Yard. It is the year 2405, and human scientists have discovered a new technology that allows travel from star to star at speeds faster than light.

Similarity 56%
Price -95% 0.51€
Rating 8.2
Release 04 Jun 2010
Pandora: First Contact Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.

Similarity 56%
Price 28.99€
Rating 6.1
Release 30 May 2014
FTL: Faster Than Light This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.

Similarity 56%
Price -91% 0.96€
Rating 9.4
Release 14 Sep 2012
Homeworld Remastered Collection Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation.

Similarity 56%
Price -93% 2.25€
Rating 8.6
Release 25 Feb 2015
Space Rangers HD: A War Apart Space adventure, open world RPG, strategy, arcade, quest and more!

Similarity 56%
Price -94% 0.91€
Rating 9.1
Release 17 Oct 2013
Kerbal Space Program In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

Similarity 56%
Price -93% 3.11€
Rating 9.4
Release 27 Apr 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.

Similarity 56%
Price Free to play
Rating 8.9
Release 30 Oct 2015
Rise of Industry Put your entrepreneurial skills to the test in the first title in the ROI series as you create & optimise intricate production lines. As an early 20th-Century industrialist, grow your empire & adapt to an ever-changing business landscape with unexpected events that could lead to boom…or bust.

Similarity 55%
Price -98% 0.62€
Rating 7.1
Release 02 May 2019
Caravan Are you ready to embark on a journey through deserts and dangers? Will you be able to safely navigate your fellowship through the lands of the Orient and uncover your destiny? Through strategic trading and traveling you will overcome obstacles and adversity.

Similarity 55%
Price -95% 0.32€
Rating 7.4
Release 30 Sep 2016

Most played games like X: Beyond the Frontier on Steam

Take a look at the top games like X: Beyond the Frontier that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.

1. Stellaris

Similarity 67% Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities. Stellaris is a space, grand strategy and strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on May 09th 2016 has received 185,433 reviews of which 159,527 were positive and 25,906 were negative resulting in a rating of 8.5 out of 10. The game has hit the top spot as the #1 most played game like X: Beyond the Frontier, thanks to its 15,712 peak concurrent players over the last day.
8.5
159,527
25,906

15,712
players

2. Cities: Skylines

Similarity 46% Cities: Skylines is a modern take on the classic city simulation. The game introduces new game play elements to realize the thrill and hardships of creating and maintaining a real city whilst expanding on some well-established tropes of the city building experience. Cities: Skylines is a city builder, simulation and building game developed by Colossal Order Ltd. and published by Paradox Interactive. Released on March 10th 2015 has received 275,770 reviews of which 256,362 were positive and 19,408 were negative resulting in an impressive rating of 9.2 out of 10. While seeing 6,752 players online at once in the last 24 hours, this game is currently ranked #2 among games like X: Beyond the Frontier based on player count.
9.2
256,362
19,408

6,752
players

3. Elite Dangerous

Similarity 51% Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic. Elite Dangerous is a space sim, space and open world game developed and published by Frontier Developments. Released on April 02nd 2015 has received 100,024 reviews of which 77,388 were positive and 22,636 were negative resulting in a rating of 7.7 out of 10. While seeing 4,961 players online at once in the last 24 hours, this game is currently ranked #3 among games like X: Beyond the Frontier based on player count.
7.7
77,388
22,636

4,961
players

4. Anno 1800

Similarity 54% Anno 1800™ – Lead the Industrial Revolution! Welcome to the dawn of the Industrial Age. The path you choose will define your world. Are you an innovator or an exploiter? A conqueror or a liberator? How the world remembers your name is up to you. Anno 1800 is a city builder, strategy and simulation game developed by Ubisoft Mainz and published by Ubisoft. Released on April 16th 2019 has received 25,091 reviews of which 20,368 were positive and 4,723 were negative resulting in a rating of 8.0 out of 10. With 3,737 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like X: Beyond the Frontier.
8.0
20,368
4,723

3,737
players

5. STAR WARS™ Empire at War - Gold Pack

Similarity 57% Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld? STAR WARS™ Empire at War - Gold Pack is a strategy, rts and space game developed by Petroglyph and published by LucasArts, Lucasfilm and Disney. Released on May 25th 2010 has received 39,435 reviews of which 38,503 were positive and 932 were negative resulting in an impressive rating of 9.6 out of 10. With 3,114 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like X: Beyond the Frontier.
9.6
38,503
932

3,114
players

6. Transport Fever 2

Similarity 50% The classic transport simulation genre has a new gold standard with Transport Fever 2. Discover a whole new world by navigating transport routes through land, water and air. May progress and prosperity find their way! Transport Fever 2 is a simulation, strategy and management game developed by Urban Games and published by Good Shepherd Entertainment. Released on December 11th 2019 has received 27,627 reviews of which 24,960 were positive and 2,667 were negative resulting in a rating of 8.9 out of 10. With 2,878 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like X: Beyond the Frontier.
8.9
24,960
2,667

2,878
players

7. Supermarket Simulator

Similarity 45% Run your own supermarket. Stock shelves, set prices as you'd like, take payments, hire staff, expand, deal with shoplifters, and design your store. Purchase goods from online or local markets around the town. Online orders & delivery are upcoming. Supermarket Simulator is a simulation, management and economy game developed and published by Nokta Games. Released on February 20th 2024 has received 68,341 reviews of which 64,104 were positive and 4,237 were negative resulting in an impressive rating of 9.2 out of 10. With 2,677 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like X: Beyond the Frontier.
9.2
64,104
4,237

2,677
players

8. X4: Foundations

Similarity 64% Thrilling space battles meet deep strategy. X4 invites you to explore, fight, trade, and build an empire in a dynamic, fully simulated space sandbox, where every decision shapes your journey. Now featuring the 2025 flight model overhaul. X4: Foundations is a space sim, simulation and sandbox game developed and published by Egosoft. Released on November 30th 2018 has received 23,847 reviews of which 18,951 were positive and 4,896 were negative resulting in a rating of 7.8 out of 10. With 2,460 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like X: Beyond the Frontier.
7.8
18,951
4,896

2,460
players

9. Jurassic World Evolution 2

Similarity 50% Jurassic World Evolution 2 is the much-anticipated sequel to Frontier’s highly successful Jurassic World Evolution. This bold new era in the Jurassic World Evolution game franchise builds upon the ground-breaking and immersive 2018 management simulation. Jurassic World Evolution 2 is a dinosaurs, building and simulation game developed and published by Frontier Developments. Released on November 09th 2021 has received 36,638 reviews of which 32,817 were positive and 3,821 were negative resulting in a rating of 8.8 out of 10. With 2,314 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like X: Beyond the Frontier.
8.8
32,817
3,821

2,314
players

10. Kerbal Space Program

Similarity 56% In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics. Kerbal Space Program is a space, simulation and sandbox game developed by Squad and published by Private Division. Released on April 27th 2015 has received 127,162 reviews of which 121,084 were positive and 6,078 were negative resulting in an impressive rating of 9.4 out of 10. With 2,221 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like X: Beyond the Frontier.
9.4
121,084
6,078

2,221
players

Best deals on games like X: Beyond the Frontier on Steam

Discover fantastic savings with the best discounts on a variety of games like X: Beyond the Frontier available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like X: Beyond the Frontier.

1. EarthX

Similarity 64% EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars! EarthX is a simulation, indie and strategy game developed by Denis and Ry and published by Mesote Games. Released on July 12th 2023 has received 875 reviews of which 769 were positive and 106 were negative resulting in a rating of 8.3 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like X: Beyond the Frontier.
8.3
769
106

-99% 19.99€ 0.29€

2. Battlestar Galactica Deadlock

Similarity 64% In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival? Battlestar Galactica Deadlock is a strategy, space and sci-fi game developed by Black Lab Games and published by Slitherine Ltd.. Released on August 31st 2017 has received 3,460 reviews of which 2,906 were positive and 554 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like X: Beyond the Frontier.
8.1
2,906
554

-99% 38.99€ 0.48€

3. Interstellar Space: Genesis

Similarity 49% Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy! Interstellar Space: Genesis is a strategy, indie and 4x game developed and published by Praxis Games. Released on July 25th 2019 has received 772 reviews of which 648 were positive and 124 were negative resulting in a rating of 7.9 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like X: Beyond the Frontier.
7.9
648
124

-99% 27.99€ 0.45€

4. Homeworld: Deserts of Kharak

Similarity 49% A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive. Homeworld: Deserts of Kharak is a strategy, rts and sci-fi game developed by Blackbird Interactive and published by Gearbox Publishing. Released on January 20th 2016 has received 8,519 reviews of which 6,789 were positive and 1,730 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like X: Beyond the Frontier.
7.8
6,789
1,730

-99% 45.99€ 0.88€

5. Aven Colony

Similarity 58% Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world. Aven Colony is a colony sim, city builder and strategy game developed by Mothership Entertainment LLC and published by Team17 Digital Ltd. Released on July 25th 2017 has received 2,638 reviews of which 1,921 were positive and 717 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like X: Beyond the Frontier.
7.1
1,921
717

-99% 29.99€ 0.47€

6. Distant Worlds 2

Similarity 68% Distant Worlds 2 is a vast, pausable real-time 4X space strategy game. Distant Worlds 2 is a strategy, simulation and 4x game developed by CodeForce and published by Slitherine Ltd.. Released on March 10th 2022 has received 3,237 reviews of which 2,304 were positive and 933 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #6 position in the best deals for games like X: Beyond the Frontier.
6.9
2,304
933

-99% 48.99€ 0.35€

7. Starpoint Gemini 2

Similarity 63% 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. Currently offered at a significant 99% discount, this title has earned the #7 position in the best deals for games like X: Beyond the Frontier.
6.8
2,843
1,250

-99% 31.99€ 0.58€

8. BattleGroupVR

Similarity 57% BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship. BattleGroupVR is a space sim, space and vr game developed and published by SpaceOwl Games. Released on July 31st 2023 has received 902 reviews of which 834 were positive and 68 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like X: Beyond the Frontier.
8.7
834
68

-98% 20.99€ 0.42€

9. DG2: Defense Grid 2

Similarity 49% Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges. DG2: Defense Grid 2 is a strategy, tower defense and indie game developed by Hidden Path Entertainment and published by Hidden Path Entertainment and 505 Games. Released on September 23rd 2014 has received 3,163 reviews of which 2,723 were positive and 440 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like X: Beyond the Frontier.
8.3
2,723
440

-98% 12.49€ 0.26€

10. Tin Can

Similarity 63% 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 #10 position in the best deals for games like X: Beyond the Frontier.
8.1
1,015
183

-98% 17.99€ 0.46€

Free games like X: Beyond the Frontier on Steam

Check out this fantastic list of free-to-play games like X: Beyond the Frontier you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like X: Beyond the Frontier.

1. Star Trek Timelines

Similarity 50% 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. With 171 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like X: Beyond the Frontier.
6.4
938
492

171
players

2. Endless Sky

Similarity 56% 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. Thanks to its free to play tag and a daily player base of 160, this game has secured the #2 spot in the ranking of free games like X: Beyond the Frontier.
8.9
6,141
510

160
players

3. Pixel Starships

Similarity 49% 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. Pixel Starships is a sci-fi, space and strategy game developed and published by SavySoda. Released on May 23rd 2023 has received 2,732 reviews of which 2,008 were positive and 724 were negative resulting in a rating of 7.1 out of 10. Thanks to its free to play tag and a daily player base of 125, this game has secured the #3 spot in the ranking of free games like X: Beyond the Frontier.
7.1
2,008
724

125
players

4. Hades' Star

Similarity 47% A unique space strategy game where thousands of players participate in one shared galaxy. Hades' Star is a free to play, space and strategy game developed and published by Parallel Space Inc. Released on February 27th 2019 has received 2,577 reviews of which 1,874 were positive and 703 were negative resulting in a rating of 7.1 out of 10. The game currently holds the #4 spot among the most played free games like X: Beyond the Frontier.
7.1
1,874
703

91
players

5. Kingdom: Classic

Similarity 47% Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic. Kingdom: Classic is a free to play, strategy and singleplayer game developed by Noio and Licorice and published by Raw Fury. Released on October 21st 2015 has received 22,088 reviews of which 20,023 were positive and 2,065 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #5 spot among the most played free games like X: Beyond the Frontier.
8.9
20,023
2,065

59
players

6. Fun Hospital

Similarity 46% Build your own theme hospital! Here, you might meet patients with a lot of hair, or no hair; strange aliens, evil guy, super hero… Fun Hospital is a casual, strategy and simulation game developed and published by OrangesGame Technology Limited. Released on June 21st 2018 has received 578 reviews of which 367 were positive and 211 were negative resulting in a rating of 6.2 out of 10. The game currently holds the #6 spot among the most played free games like X: Beyond the Frontier.
6.2
367
211

49
players

7. Simutrans

Similarity 49% Simutrans is a freeware and open-source transportation simulator. Your goal is to establish a successful transport company. Transport passengers, mail and goods by rail, road, ship, and even air. Interconnect districts, cities, public buildings, industries and tourist attractions. Simutrans is a simulation, free to play and trains game developed and published by The Simutrans Team. Released on May 24th 2016 has received 622 reviews of which 468 were positive and 154 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #7 spot among the most played free games like X: Beyond the Frontier.
7.2
468
154

34
players

8. Planet S

Similarity 46% 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. Planet S is a strategy, city builder and multiplayer game developed and published by Glimmerlight Games. Released on October 28th 2023 has received 2,603 reviews of which 2,387 were positive and 216 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #8 spot among the most played free games like X: Beyond the Frontier.
8.8
2,387
216

15
players

9. Moonbase Alpha

Similarity 46% NASA has once again landed on the lunar surface with the goal of colonization, research, and further exploration. Shortly after the return to the Moon, NASA has established a small outpost on the south pole of the moon called Moonbase Alpha. Moonbase Alpha is a space, simulation and free to play game developed by Virtual Heroes and Army Game Studio and published by NASA. Released on July 06th 2010 has received 12,838 reviews of which 11,622 were positive and 1,216 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #9 spot among the most played free games like X: Beyond the Frontier.
8.8
11,622
1,216

5
players

10. Terra Firma

Similarity 49% Play god and create your own world in this complex simulation. Plate tectonics, wind and water erosion and plant life all develop and interact to produce a world that is viewable from a single tree to kilometres across. Terra Firma is a simulation, strategy and god game game developed and published by Working as Intended. Released on February 20th 2025 has received 359 reviews of which 333 were positive and 26 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #10 spot among the most played free games like X: Beyond the Frontier.
8.6
333
26

4
players