Games like X2: The Threat on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like X2: The Threat are available at the bottom of the page.

Filters & Lists
Breachway Explore the galaxy in this deckbuilding, sci-fi roguelike where ship upgrades and crew management are key to your survival. Optimize resource generation, engage in intense turn-based battles, and take on ever-growing threats as you seek out The Signal.

Similarity 64%
Price -49% 10.28€
Rating 7.3
Release 26 Sep 2024
Sol 0: Mars Colonization Sol 0 is a real time strategy game where you establish the first Martian colony. From the first human footprints on Martian soil to a thriving and self-sustaining colony, Sol 0 imagines a near future using technology that could be available within the next few decades.

Similarity 64%
Price 3.99€
Rating 6.6
Release 15 Jan 2016
Freespace 2 FreeSpace 2, the follow up to the classic Descent: FreeSpace – The Great War is ready to engage you in the second round. Follow the Grand Terran Vasudan Alliance further into the mysteries of the Shivans. Get your flight stick and hit the flight deck. The last time was just a warm up.

Similarity 64%
Price 9.99€
Rating 7.4
Release 06 Jun 2014
Industry Giant 2 Economic booms, stock market crashes, oil crises, upswings, triumphs... Now you can become the greatest power in industry!

Similarity 64%
Price -95% 0.53€
Rating 8.2
Release 14 Aug 2015
The Last Federation From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.

Similarity 63%
Price -97% 0.72€
Rating 7.1
Release 18 Apr 2014
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 63%
Price Free to play
Rating 8.9
Release 30 Oct 2015
Rebel Galaxy 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.

Similarity 63%
Price -95% 0.85€
Rating 8.3
Release 20 Oct 2015
Tin Can 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?

Similarity 63%
Price -98% 0.46€
Rating 8.1
Release 12 May 2022
Galactic Civilizations IV Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.

Similarity 63%
Price 38.99€
Rating 7.1
Release 19 Oct 2023
Ascent - The Space Game Ascent is a PVE sandbox space MMO with 270 BILLION star systems and an emphasis on strong Sci Fi. It encourages Exploration, Colonization, Research, Asteroid mining, Farming, Trading, and Combat. Outside the tutorial sector, everything in-game has been built by players.

Similarity 63%
Price -98% 0.52€
Rating 6.5
Release 11 Apr 2016
Space Rangers HD: A War Apart Space adventure, open world RPG, strategy, arcade, quest and more!

Similarity 63%
Price -94% 0.91€
Rating 9.1
Release 17 Oct 2013
Star Ruler 2 Massive scale 4X-RTS set in space. Control hundreds of planets, manipulate galactic politics, research numerous advanced technologies, and command thousands of units and hundreds of planets in your quest for galactic dominance.

Similarity 63%
Price 16.79€
Rating 7.7
Release 27 Mar 2015
Interplanetary: Enhanced Edition In this turn-based strategic artillery game, players wage interplanetary wars by developing their home planets and firing massive barrages through the unpredictable gravity fields of the solar system.

Similarity 62%
Price -85% 2.24€
Rating 8.0
Release 02 Aug 2017
Buzz Aldrin's Space Program Manager Space Program Manager (SPM) is the ultimate game of space exploration. It is the mid 1950s and the race for dominance between the US and the Soviet Union is about to move into a new dimension: space.

Similarity 62%
Price -98% 0.77€
Rating 7.3
Release 31 Oct 2014
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 61%
Price 8.19€
Rating 7.7
Release 06 Feb 2020
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 61%
Price -84% 0.66€
Rating 7.9
Release 02 Mar 2010
Astrox Imperium 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.

Similarity 60%
Price 12.49€
Rating 8.2
Release 22 Mar 2019
Nimbatus - The Space Drone Constructor Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.

Similarity 60%
Price 19.50€
Rating 7.7
Release 14 May 2020
STAR WARS™: TIE Fighter Special Edition The Imperial Navy is called upon to eradicate the last of the rebellion and restore law and order. As an Imperial navy starfighter pilot, you will safeguard imperiled lives thoughout the galaxy. Join the Emperor's cause in eliminating the Rebel uprising as the Empire strikes back!

Similarity 60%
Price 9.75€
Rating 7.7
Release 28 Apr 2015
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 60%
Price -94% 1.00€
Rating 6.8
Release 02 Apr 2015
ENDLESS™ Space 2 ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?

Similarity 60%
Price 39.99€
Rating 8.2
Release 18 May 2017
Elite Dangerous Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic.

Similarity 60%
Price -77% 4.61€
Rating 7.7
Release 02 Apr 2015
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 60%
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 59%
Price -79% 4.25€
Rating 8.0
Release 04 Aug 2021

Most played games like X2: The Threat on Steam

Take a look at the top games like X2: The Threat that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.

1. Football Manager 2024

Similarity 45% Build a world-class team ready to dominate your rivals in football’s most prestigious competitions. Progress never stops when you’re pursuing footballing greatness. Football Manager 2024 is a simulation, sports and management game developed by Sports Interactive and published by SEGA. Released on November 06th 2023 has received 23,048 reviews of which 20,927 were positive and 2,121 were negative resulting in a rating of 8.9 out of 10. The game has hit the top spot as the #1 most played game like X2: The Threat, thanks to its 47,931 peak concurrent players over the last day.
8.9
20,927
2,121

47,931
players

2. Stellaris

Similarity 65% 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. While seeing 13,727 players online at once in the last 24 hours, this game is currently ranked #2 among games like X2: The Threat based on player count.
8.5
159,527
25,906

13,727
players

3. Elite Dangerous

Similarity 60% 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 4,845 players online at once in the last 24 hours, this game is currently ranked #3 among games like X2: The Threat based on player count.
7.7
77,388
22,636

4,845
players

4. EVE Online

Similarity 49% 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 3,705 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like X2: The Threat.
7.3
26,813
9,575

3,705
players

5. Transport Fever 2

Similarity 48% 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 3,465 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like X2: The Threat.
8.9
24,960
2,667

3,465
players

6. STAR WARS™ Empire at War - Gold Pack

Similarity 58% 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 2,818 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like X2: The Threat.
9.6
38,503
932

2,818
players

7. Anno 1800

Similarity 51% 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 2,784 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like X2: The Threat.
8.0
20,368
4,723

2,784
players

8. Dyson Sphere Program

Similarity 49% Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire. Dyson Sphere Program is a automation, space and base-building game developed by Youthcat Studio and published by Gamirror Games. Released on January 20th 2021 has received 85,088 reviews of which 83,095 were positive and 1,993 were negative resulting in an impressive rating of 9.6 out of 10. With 2,703 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like X2: The Threat.
9.6
83,095
1,993

2,703
players

9. X4: Foundations

Similarity 55% 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 2,141 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like X2: The Threat.
7.8
18,951
4,896

2,141
players

10. Kerbal Space Program

Similarity 52% 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 1,844 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like X2: The Threat.
9.4
121,084
6,078

1,844
players

Best deals on games like X2: The Threat on Steam

Discover fantastic savings with the best discounts on a variety of games like X2: The Threat 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 X2: The Threat.

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 X2: The Threat.
8.3
769
106

-99% 19.99€ 0.29€

2. Battlestar Galactica Deadlock

Similarity 66% 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 X2: The Threat.
8.1
2,906
554

-99% 38.99€ 0.48€

3. Interstellar Space: Genesis

Similarity 50% 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 X2: The Threat.
7.9
648
124

-99% 27.99€ 0.45€

4. Homeworld: Deserts of Kharak

Similarity 50% 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 X2: The Threat.
7.8
6,789
1,730

-99% 45.99€ 0.88€

5. Aven Colony

Similarity 60% 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 X2: The Threat.
7.1
1,921
717

-99% 29.99€ 0.47€

6. Distant Worlds 2

Similarity 69% 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 X2: The Threat.
6.9
2,304
933

-99% 48.99€ 0.35€

7. Starpoint Gemini 2

Similarity 70% 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 X2: The Threat.
6.8
2,843
1,250

-99% 31.99€ 0.58€

8. BattleGroupVR

Similarity 56% 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 X2: The Threat.
8.7
834
68

-98% 20.99€ 0.42€

9. DG2: Defense Grid 2

Similarity 51% 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 X2: The Threat.
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 X2: The Threat.
8.1
1,015
183

-98% 17.99€ 0.46€

Free games like X2: The Threat on Steam

Check out this fantastic list of free-to-play games like X2: The Threat 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 X2: The Threat.

1. EVE Online

Similarity 49% 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 3,705 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like X2: The Threat.
7.3
26,813
9,575

3,705
players

2. Star Trek Timelines

Similarity 52% 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 199, this game has secured the #2 spot in the ranking of free games like X2: The Threat.
6.4
938
492

199
players

3. Pixel Starships

Similarity 51% 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 163, this game has secured the #3 spot in the ranking of free games like X2: The Threat.
7.1
2,008
724

163
players

4. Endless Sky

Similarity 63% 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 160 players due to its free access, this strategy game has achieved the #4 position in the best free games like X2: The Threat.
8.9
6,141
510

160
players

5. Hades' Star

Similarity 49% 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 148 players due to its free access, this strategy game has achieved the #5 position in the best free games like X2: The Threat.
7.1
1,874
703

148
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 X2: The Threat.
6.2
367
211

94
players

7. Kingdom: Classic

Similarity 48% 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 #7 spot among the most played free games like X2: The Threat.
8.9
20,023
2,065

40
players

8. Simutrans

Similarity 46% 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 X2: The Threat.
7.2
468
154

31
players

9. Planet S

Similarity 48% 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 #9 spot among the most played free games like X2: The Threat.
8.8
2,387
216

15
players

10. Oxygen: First Breath

Similarity 45% This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running! Oxygen: First Breath is a strategy, base-building and city builder game developed by Turquoise Revival Games and published by GrabTheGames and UpgradePoint. Released on October 07th 2022 has received 1,594 reviews of which 1,432 were positive and 162 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 X2: The Threat.
8.6
1,432
162

7
players