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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Imperium Galactica II Reintroducing a classic from the golden era of gaming, the original empire building space RTS, Imperium Galactica 2 is back and looking better than ever with new high-res textures and vivid colors.

Similarity 54%
Price -96% 0.45€
Rating 8.2
Release 19 Jan 2017
Crazy Machines 3 Crazy Machines 3 is the latest, greatest, most amazing and craziest part of the series and fascinates once more with physic-based puzzles. Build your own crazy machines and share your awesomeness across the world thanks to the Steam® Workshop.

Similarity 53%
Price -95% 0.55€
Rating 9.2
Release 18 Oct 2016
March of the Eagles “he Who Fears Being Conquered Is Sure Of Defeat.”The war-game March of the Eagles focuses on the dramatic conflicts of Europe during 1805 to 1820. Explore one of the defining periods in European history with this experience crafted by the masters of Grand Strategy, Paradox Development Studio.

Similarity 53%
Price -47% 10.63€
Rating 6.5
Release 18 Feb 2013
Railway Empire In Railway Empire, you will create an elaborate and wide-ranging rail network, purchase over 40 different trains modelled in extraordinary detail, and buy or build railway stations, maintenance buildings, factories and tourist attractions to keep your travel network ahead of the competition.

Similarity 53%
Price -97% 0.93€
Rating 8.1
Release 26 Jan 2018
Capitalism 2 Create and control the business empire of your dreams. This in-depth strategy game covers almost every aspect of business that could be encountered in the real world.

Similarity 53%
Price -75% 2.57€
Rating 7.7
Release 01 Aug 2017
Sins of a Solar Empire II 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.

Similarity 53%
Price -74% 13.06€
Rating 8.3
Release 15 Aug 2024
Game Dev Studio Welcome to your own Game Dev Studio! How will you run your own offices and ascend to greatness in the gaming industry?

Similarity 52%
Price -92% 0.79€
Rating 8.0
Release 12 Mar 2018
Railroad Tycoon 3 Railroad Tycoon 3 features 25 scenarios challenging players to recreate magnificent feats of railroading history from around the world. Players can lay track (including tunnels and overpasses), pick from over 40 locomotives from early steams to modern bullets, choose to haul over 35 types of cargo in a dynamic economy, and participate in...

Similarity 52%
Price -98% 0.25€
Rating 7.4
Release 04 May 2007
Majesty Gold HD The High Definition edition of Majesty Gold contains main game, the Northern Expansion Pack as well as 2 new quests and several other graphics and gameplay updates.Majesty is a Real-time strategy game with indirect control – your heroes have a will of their own!

Similarity 52%
Price -2% 9.81€
Rating 8.7
Release 04 Sep 2009
Tropico 6 El Presidente is back! Prove yourself once again as a feared dictator or peace-loving statesman on the island state of Tropico and shape the fate of your very own banana republic through four distinctive eras.

Similarity 52%
Price -89% 4.64€
Rating 8.6
Release 29 Mar 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 52%
Price -94% 1.00€
Rating 6.8
Release 02 Apr 2015
Train Fever It’s the year 1850, and there are great times ahead! Establish a transport company and be its manager. Build infrastructure such as railways and stations, purchase transportation vehicles and manage lines. Fulfill the people’s needs and watch cities evolve dynamically.

Similarity 52%
Price -85% 3.00€
Rating 6.3
Release 04 Sep 2014
Little Big Workshop Manage your workers, stations, machines and create awesome stuff as your little big workshop grows into your dream factory!

Similarity 51%
Price -97% 0.66€
Rating 8.1
Release 17 Oct 2019
Tropico 4 The world is changing and Tropico is moving with the times - geographical powers rise and fall and the world market is dominated by new players with new demands and offers - and you, as El Presidente, face a whole new set of challenges.

Similarity 51%
Price -97% 0.57€
Rating 8.9
Release 27 Oct 2011
Jurassic World Evolution Place yourself at the heart of the Jurassic franchise and build your own Jurassic World. Bioengineer dinosaurs that think, feel and react intelligently to the world around them and face threats posed by espionage, breakouts and devastating tropical storms in an uncertain world where life always finds a way.

Similarity 51%
Price -92% 3.94€
Rating 8.6
Release 11 Jun 2018
Planets Under Attack Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.

Similarity 51%
Price -98% 0.26€
Rating 7.0
Release 27 Sep 2012
Battlefleet Gothic: Armada Battlefleet Gothic: Armada is the RTS videogame adaptation of Games Workshop’s classic tabletop game, pitting the Chaos, Imperium, Eldar, and Orks against each other in visceral space-battles.

Similarity 51%
Price -79% 3.20€
Rating 6.7
Release 21 Apr 2016
Planetbase Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.

Similarity 51%
Price -75% 3.69€
Rating 7.8
Release 15 Oct 2015
Picklock Join exciting adventure of escaping from cops. Be tricky and use your skills to complete your missions in green town. If you’re successful, you can enjoy well-deserved vacation at the seaside.

Similarity 51%
Price -97% 0.34€
Rating 8.1
Release 07 May 2020
Elite Dangerous Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic.

Similarity 51%
Price -77% 4.61€
Rating 7.7
Release 02 Apr 2015
Sid Meier's Railroads! Sid Meier's Railroads! marks the return of the watershed title in simulation/strategy gaming that launched the popular "tycoon" genre, and inspired a new generation of games. Sid Meier's Railroads!

Similarity 51%
Price -90% 1.00€
Rating 6.9
Release 04 May 2007
Battle Royale Tycoon Design and build arenas for your guests to fight in, keep them happy, your workers paid and make a profit!

Similarity 51%
Price -91% 0.92€
Rating 6.7
Release 02 Sep 2019
Rover Mechanic Simulator As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.

Similarity 51%
Price -98% 0.35€
Rating 7.3
Release 12 Nov 2020
Bridge Constructor Portal Enter the Aperture Science Enrichment Center and experience Bridge Constructor Portal – the unique merging of the classic Portal™ and Bridge Constructor™ games.

Similarity 51%
Price -95% 0.58€
Rating 8.9
Release 20 Dec 2017

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 16th 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 13,555 peak concurrent players over the last day.
8.5
159,527
25,906

13,555
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 6,314 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

6,314
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 4,593 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

4,593
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 3,157 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

3,157
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 2,985 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

2,985
players

6. 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 2,631 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like X: Beyond the Frontier.
9.2
64,104
4,237

2,631
players

7. 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 2,477 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like X: Beyond the Frontier.
8.9
24,960
2,667

2,477
players

8. 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 2,251 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like X: Beyond the Frontier.
8.8
32,817
3,821

2,251
players

9. 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 2,190 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like X: Beyond the Frontier.
7.8
18,951
4,896

2,190
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 2,138 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

2,138
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 16th 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 16th 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 148 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

148
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 135, this game has secured the #2 spot in the ranking of free games like X: Beyond the Frontier.
8.9
6,141
510

135
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 117, this game has secured the #3 spot in the ranking of free games like X: Beyond the Frontier.
7.1
2,008
724

117
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. Attracting a solid base of 104 players due to its free access, this strategy game has achieved the #4 position in the best free games like X: Beyond the Frontier.
7.1
1,874
703

104
players

5. 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 #5 spot among the most played free games like X: Beyond the Frontier.
6.2
367
211

54
players

6. 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 #6 spot among the most played free games like X: Beyond the Frontier.
8.9
20,023
2,065

48
players

7. 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 #7 spot among the most played free games like X: Beyond the Frontier.
8.8
2,387
216

17
players

8. 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 #8 spot among the most played free games like X: Beyond the Frontier.
7.2
468
154

16
players

9. 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 #9 spot among the most played free games like X: Beyond the Frontier.
8.6
333
26

3
players

10. 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 #10 spot among the most played free games like X: Beyond the Frontier.
8.8
11,622
1,216

2
players