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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Universe Sandbox
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Shortest Trip to Earth
Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat.
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.
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?
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.
Interstellar Rift
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
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.
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.
Space Pirates and Zombies
Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.
Breathedge
Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage.
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.
Mars: War Logs
An Intense Cyberpunk Rpg On the Red Planet! Mars War Logs takes you to Mars, nearly a century after the cataclysm that threw the planet and its colonists into chaos. Water has become the most precious resource on the arid red planet, with a few companies fighting a perpetual war for its control.
Dune: Imperium
The award-winning board game of strategy and intrigue in the iconic universe of Dune. The Spice must flow.
Retreat To Enen
Base building simulator 1500 years in the future. Journey to the Island of Enen to forage, craft, build, hunt, meditate, and explore across three vast biomes. Discover secrets and create the retreat of your dreams. With over 160 unique items to gather, craft, and build, every home will be unique.
Astrometica
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
Interstellar Space: Genesis
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!
Creeper World 4
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
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?
Stellar Tactics
A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with over 160,000 star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!
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.
SPACERIFT: Arcanum System
At the sunset of human life on planet Earth, you are a military pilot controlling a space ship, and you find yourself at the very epicenter of the battle in the solar system. You are forced to retreat into the unknown, distant Arcanum system through hyper-jumping.
Stars End
Stars End is a sci-fi survival sandbox set on the wild frontier of a distant star system. Play solo or host your own server as you craft, build, and battle to survive in a galaxy shaped by danger, discovery, and your own grit.
ASTRONEER
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.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 April 21st 2025.
1. RimWorld
Similarity 75% A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more. RimWorld is a colony sim, base-building and survival game developed and published by Ludeon Studios. Released on October 17th 2018 has received 207,748 reviews of which 203,531 were positive and 4,217 were negative resulting in an impressive rating of 9.7 out of 10. The game has hit the top spot as the #1 most played game like X2: The Threat, thanks to its 24,107 peak concurrent players over the last day.
9.7
203,531
4,217
24,107
players
2. Satisfactory
Similarity 62% Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven! Satisfactory is a base-building, automation and open world game developed by Coffee Stain Studios and published by Coffee Stain Publishing. Released on September 10th 2024 has received 228,332 reviews of which 221,780 were positive and 6,552 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 21,083 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.
9.6
221,780
6,552
21,083
players
3. 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 181,916 reviews of which 157,721 were positive and 24,195 were negative resulting in a rating of 8.6 out of 10. While seeing 13,304 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.
8.6
157,721
24,195
13,304
players
4. No Man's Sky
Similarity 73% No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe. No Man's Sky is a open world, open world survival craft and space game developed and published by Hello Games. Released on August 12th 2016 has received 349,909 reviews of which 290,482 were positive and 59,427 were negative resulting in a rating of 8.2 out of 10. With 9,763 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like X2: The Threat.
8.2
290,482
59,427
9,763
players
5. Elite Dangerous
Similarity 90% 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 99,111 reviews of which 76,646 were positive and 22,465 were negative resulting in a rating of 7.7 out of 10. With 7,506 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like X2: The Threat.
7.7
76,646
22,465
7,506
players
6. Oxygen Not Included
Similarity 82% Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,429 reviews of which 123,288 were positive and 4,141 were negative resulting in an impressive rating of 9.5 out of 10. With 5,656 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like X2: The Threat.
9.5
123,288
4,141
5,656
players
7. Space Engineers
Similarity 78% Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive. Space Engineers is a space, sandbox and building game developed and published by Keen Software House. Released on February 28th 2019 has received 131,797 reviews of which 116,697 were positive and 15,100 were negative resulting in a rating of 8.7 out of 10. With 4,594 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like X2: The Threat.
8.7
116,697
15,100
4,594
players
8. X4: Foundations
Similarity 86% X4: FOUNDATIONS brings our most sophisticated universe SIMULATION ever. Fly every ship, EXPLORE space or manage an empire; TRADE, FIGHT, BUILD and THINK carefully, while you embark on an epic journey. Experience tons of improvements with the massive 7.50 Update! X4: Foundations is a space sim, simulation and sandbox game developed and published by Egosoft. Released on November 30th 2018 has received 23,304 reviews of which 18,494 were positive and 4,810 were negative resulting in a rating of 7.8 out of 10. With 4,146 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like X2: The Threat.
7.8
18,494
4,810
4,146
players
9. EVE Online
Similarity 65% 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 open world game developed and published by CCP. Released on December 15th 2010 has received 36,059 reviews of which 26,584 were positive and 9,475 were negative resulting in a rating of 7.3 out of 10. With 3,621 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like X2: The Threat.
7.3
26,584
9,475
3,621
players
10. Kerbal Space Program
Similarity 82% 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 126,433 reviews of which 120,348 were positive and 6,085 were negative resulting in an impressive rating of 9.4 out of 10. With 2,765 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
120,348
6,085
2,765
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 April 21st 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like X2: The Threat.
1. InfraSpace
Similarity 74% Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain. InfraSpace is a city builder, automation and transportation game developed and published by Dionic Software. Released on September 22nd 2023 has received 1,617 reviews of which 1,299 were positive and 318 were negative resulting in a rating of 7.7 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like X2: The Threat.
7.7
1,299
318
-95%
20.00€
1.00€
2. Homeworld Remastered Collection
Similarity 64% 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. Homeworld Remastered Collection is a space, strategy and rts game developed by Gearbox Software and Aspyr (Mac) and published by Aspyr (Mac) and Gearbox Publishing. Released on February 25th 2015 has received 13,513 reviews of which 11,942 were positive and 1,571 were negative resulting in a rating of 8.6 out of 10. Thanks to its incredible 94% discount, this game is now the #2 best deal in games like X2: The Threat.
8.6
11,942
1,571
-94%
33.33€
2.00€
3. Tin Can
Similarity 67% 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 1,175 reviews of which 995 were positive and 180 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 94% discount, this game is now the #3 best deal in games like X2: The Threat.
8.1
995
180
-94%
16.67€
1.00€
4. Distant Worlds: Universe
Similarity 66% 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. Distant Worlds: Universe is a strategy, 4x and space game developed by Code Force and published by Slitherine Ltd.. Released on May 23rd 2014 has received 1,816 reviews of which 1,376 were positive and 440 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 92% discount, this title has earned the #4 position in the best deals for games like X2: The Threat.
7.3
1,376
440
-92%
28.00€
2.24€
5. Shortest Trip to Earth
Similarity 68% Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat. Shortest Trip to Earth is a rogue-lite, space and strategy game developed by Interactive Fate and published by Interactive Fate and Iceberg Interactive. Released on August 15th 2019 has received 1,385 reviews of which 1,067 were positive and 318 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like X2: The Threat.
7.4
1,067
318
-91%
23.78€
2.14€
6. Space Crew: Legendary Edition
Similarity 70% 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 Crew: Legendary Edition is a action, sci-fi and adventure game developed by Runner Duck and published by Curve Games. Released on October 15th 2020 has received 2,841 reviews of which 2,142 were positive and 699 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 91% discount, this title has earned the #6 position in the best deals for games like X2: The Threat.
7.3
2,142
699
-91%
16.56€
1.49€
7. VoidExpanse
Similarity 78% 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! VoidExpanse is a space, rpg and open world game developed and published by AtomicTorch Studio. Released on April 02nd 2015 has received 748 reviews of which 534 were positive and 214 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 91% discount, this title has earned the #7 position in the best deals for games like X2: The Threat.
6.9
534
214
-91%
15.11€
1.36€
8. Space Rangers HD: A War Apart
Similarity 78% Space adventure, open world RPG, strategy, arcade, quest and more! Space Rangers HD: A War Apart is a space, rpg and strategy game developed by SNK Games, Elemental Games and Katauri Interactive and published by Fulqrum Publishing. Released on October 17th 2013 has received 6,615 reviews of which 6,247 were positive and 368 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 90% discount, this title has earned the #8 position in the best deals for games like X2: The Threat.
9.1
6,247
368
-90%
15.30€
1.53€
9. Holy Potatoes! We’re in Space?!
Similarity 62% Holy Potatoes! We’re in Space?! is a whacky space exploration game where you manage your very own spaceship, craft hundreds of weapons, and explore the vastness of a veggie-filled universe. Holy Potatoes! We’re in Space?! is a adventure, indie and simulation game developed by Daylight Studios and published by Daedalic Entertainment. Released on February 14th 2017 has received 956 reviews of which 637 were positive and 319 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 90% discount, this title has earned the #9 position in the best deals for games like X2: The Threat.
6.5
637
319
-90%
9.99€
0.99€
10. Hardspace: Shipbreaker
Similarity 85% 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! Hardspace: Shipbreaker is a space, sci-fi and simulation game developed by Blackbird Interactive and published by Focus Entertainment. Released on May 24th 2022 has received 20,251 reviews of which 18,123 were positive and 2,128 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 89% discount, this title has earned the #10 position in the best deals for games like X2: The Threat.
8.8
18,123
2,128
-89%
36.18€
3.98€
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 April 21st 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 65% 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 open world game developed and published by CCP. Released on December 15th 2010 has received 36,059 reviews of which 26,584 were positive and 9,475 were negative resulting in a rating of 7.3 out of 10. With 3,621 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
26,584
9,475
3,621
players
2. Cell to Singularity - Evolution Never Ends
Similarity 66% The epic story of evolution, technology, humanity, and dinosaurs is yours to tap. Cell to Singularity - Evolution Never Ends is a clicker, free to play and simulation game developed and published by Computer Lunch. Released on November 03rd 2021 has received 23,349 reviews of which 20,990 were positive and 2,359 were negative resulting in a rating of 8.8 out of 10. Thanks to its free to play tag and a daily player base of 2,640, this game has secured the #2 spot in the ranking of free games like X2: The Threat.
8.8
20,990
2,359
2,640
players
3. Endless Sky
Similarity 98% 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 6,592 reviews of which 6,085 were positive and 507 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 166, this game has secured the #3 spot in the ranking of free games like X2: The Threat.
8.9
6,085
507
166
players
4. Prosperous Universe
Similarity 84% In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO. Prosperous Universe is a early access, economy and resource management game developed and published by simulogics. Released on April 20th 2022 has received 883 reviews of which 665 were positive and 218 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #4 spot among the most played free games like X2: The Threat.
7.2
665
218
32
players
5. Planet S
Similarity 69% 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 2,572 reviews of which 2,358 were positive and 214 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #5 spot among the most played free games like X2: The Threat.
8.8
2,358
214
20
players
6. Kepler-2100
Similarity 67% Kepler-2100 is a space fantasy strategy war game Kepler-2100 is a strategy, space and 3d platformer game developed and published by NCARD. Released on September 24th 2024 has received 423 reviews of which 342 were positive and 81 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #6 spot among the most played free games like X2: The Threat.
7.6
342
81
16
players
7. Moonbase Alpha
Similarity 64% 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 12,831 reviews of which 11,617 were positive and 1,214 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 X2: The Threat.
8.8
11,617
1,214
7
players
8. Destination Sol
Similarity 65% Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter! Destination Sol is a free to play, rpg and indie game developed and published by MovingBlocks. Released on February 05th 2015 has received 1,356 reviews of which 1,071 were positive and 285 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #8 spot among the most played free games like X2: The Threat.
7.6
1,071
285
3
players