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.

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X3: Reunion X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.

Similarity 95%
Price -86% 1.46€
Rating 6.9
Release 21 Jul 2006
X: Beyond the Frontier The Human Race had advanced to the point where we could travel among the stars, we developed giant automated machines to help us colonise other worlds, but there was a fault in their programming and they turned and attacked. Forcing us to lay a trap to protect Earth and exiling the Human race to stay on Earth once again.

Similarity 92%
Price 4.99€
Rating 7.0
Release 08 Oct 2010
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 86%
Price -84% 2.64€
Rating 8.2
Release 16 Oct 2008
Children of a Dead Earth The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!

Similarity 80%
Price 19.50€
Rating 8.5
Release 23 Sep 2016
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 79%
Price 31.99€
Rating 7.1
Release 23 May 2017
Nexus - The Jupiter Incident Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."

Similarity 78%
Price 9.99€
Rating 8.2
Release 03 Jul 2007
The Last Starship The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!

Similarity 75%
Price 24.50€
Rating 7.6
Release 15 Feb 2023
Distant Worlds: Universe Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.

Similarity 70%
Price -98% 0.65€
Rating 7.3
Release 23 May 2014
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 70%
Price -99% 0.58€
Rating 6.8
Release 26 Sep 2014
Hardspace: Shipbreaker Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!

Similarity 70%
Price -97% 1.08€
Rating 8.8
Release 24 May 2022
NEBULOUS: Fleet Command Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.

Similarity 70%
Price -77% 6.90€
Rating 8.0
Release 11 Feb 2022
Distant Worlds 2 Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.

Similarity 69%
Price -99% 0.35€
Rating 6.9
Release 10 Mar 2022
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 68%
Price 8.79€
Rating 7.8
Release 13 Feb 2008
Interstellar Transport Company Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.

Similarity 68%
Price 21.99€
Rating 6.5
Release 24 May 2019
Battlevoid: Harbinger Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.

Similarity 68%
Price -60% 3.99€
Rating 7.6
Release 24 Feb 2016
Battlestar Galactica Deadlock 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?

Similarity 66%
Price -99% 0.48€
Rating 8.1
Release 31 Aug 2017
Stellaris 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.

Similarity 65%
Price -85% 6.07€
Rating 8.5
Release 09 May 2016
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 65%
Price 14.79€
Rating 7.3
Release 16 Jan 2012
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 65%
Price 19.99€
Rating 8.6
Release 23 Jun 2009
Anno 2205™ In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.

Similarity 64%
Price 39.99€
Rating 6.8
Release 02 Nov 2015
EarthX 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!

Similarity 64%
Price -99% 0.29€
Rating 8.3
Release 12 Jul 2023
Particle Fleet: Emergence Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.

Similarity 64%
Price 14.99€
Rating 8.8
Release 29 Sep 2016
Evochron Legacy SE Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.

Similarity 64%
Price 24.50€
Rating 7.7
Release 18 Jan 2016
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 64%
Price -97% 0.89€
Rating 7.3
Release 07 Mar 2024

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