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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Space Crew: Legendary Edition
Time for your toughest mission yet! Recruit and train your crew to tackle the growing threat from alien and android armies as you defend Earth to become a Galactic Legend in Space Crew: Legendary Edition. All new content free to existing owners of Space Crew!
Space Pirates And Zombies 2
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.
Cliff Empire
After a nuclear war life on the surface became impossible. A 300m thick radioactive fog covered the Earth. We are looking for bold active people to manage the process of restoring life on Earth. Join!
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?
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.
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.
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.
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.
Gratuitous Space Battles
Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.
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...
Master of Orion
The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.
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.
Space Empires V
Space Empires V is the latest edition in the Space Empires series. This new chapter completely updates the UI and takes the player into a real-time rendered 3D universe. Watch space battles played out in glorious detail and realistic effects. Expand, Explore, Exploit, and Exterminate in a huge living breathing galaxy.
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!
Celestial Command
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Space Haven
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
ENDLESS™ Space - Definitive Edition
ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the Endless universe, where you can control every aspect of your civilization as you strive for galactic domination.
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?
Space Rogue
Take on the role of a spaceship captain. Explore new worlds, and engage in intense ship-to-ship battles. Develop unique battle tactics, upgrade your ship, and recruit crew members as you fight for peace or piracy.
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.
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.
Dune: Spice Wars
A 4X real-time strategy game from the developers of the critically acclaimed Northgard. Set in Frank Herbert’s groundbreaking Dune universe, you must lead your faction and battle for control and dominance over the harsh desert planet of Arrakis.
Battlefleet Gothic: Armada 2
Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.
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.
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