IMHO.

Games like X4: Foundations

If X4: Foundations is your kind of game, the closest matches are X3: Terran Conflict, X2: The Threat and X3: Reunion — picked from the ranked list below. Reviewers single out its challenging, contemplative and epic. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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X4: Foundations is a space simulation game released in 2018 that combines action, strategy, and sandbox gameplay. Players start with a single ship and gradually build sprawling empires across a living universe. The game features automated trade routing, faction economy simulation, fleet logistics, production chain management, and ship customization. Reviewers highlight how every action ripples through faction economies, and players describe the deep production chains as feeling tangible. Mastering strafing and docking proves essential for survival. The experience is challenging and massive in scope, offering solo players endless emergent stories rather than a defined end state. Currently priced at $12.49 USD, it runs verified on Steam Deck and holds a 79% positive rating from over 13,000 Steam reviews.

About X4: Foundations: Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.

2018ActionStrategySimulation12.49 USDDeck VerifiedWindows · Linuxby Egosoft
X4: Foundations — Steam game cover
Players highlight
Deep production chains feel tangibleEvery action ripples through faction economiesMastering strafing and docking saves your lifeChallengingContemplativeEpic

Players who liked X4: Foundations also play

Steam players who put hours into X4: Foundations also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. X3: Terran Conflict

    WHY THIS

    Shares an immersive mood with X4: Foundations.

    Top pick for X4: Foundations fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with X4: Foundations.

    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!

    2008ActionStrategySimulation3.19 USDDeck PlayableSteam ↗
  2. X2: The Threat

    WHY THIS

    Shares an immersive mood with X4: Foundations.

    Second-strongest match for X4: Foundations fans by collaborative filtering across millions of Steam libraries. Shares Strategy with X4: Foundations.

    X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.

    2006Strategy0.99 USDSteam ↗
  3. X3: Reunion

    WHY THIS

    Shares ship customization and an immersive mood with X4: Foundations.

    Third-strongest match for X4: Foundations fans by collaborative filtering across millions of Steam libraries. Shares Strategy with X4: Foundations.

    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.

    2006Strategy1.99 USDSteam ↗
  4. X: Beyond the Frontier

    WHY THIS

    Shares a contemplative mood with X4: Foundations.

    Ranked #4 for X4: Foundations fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with X4: Foundations.

    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.

    2010StrategySimulation0.99 USDSteam ↗
  5. Orbit Zero

    WHY THIS

    Ranked #5 for X4: Foundations fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with X4: Foundations.

    Create a Company, Build structures, Collect Resources, Make Investments and Speculate on Assets. Carefully manage your Workforce, Finances, Resources, Shareholders, BOD & Political Partnerships.

    2023StrategySimulation7.99 USDDeck PlayableSteam ↗
  6. D.R.I.F.T.

    WHY THIS

    Ranked #6 for X4: Foundations fans by collaborative filtering across millions of Steam libraries. Shares Simulation with X4: Foundations.

    A slow, system-driven space sim about contracts, reputation, and survival through careful decision-making, not combat or heroics.

    2025IndieAdventureSimulation11.99 USDSteam ↗
  7. Capital Command

    WHY THIS

    Ranked #7 for X4: Foundations fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with X4: Foundations.

    Take the helm of a state-of-the-art warship as you fight epic space battles in a sandbox campaign. Upgrade and customize your ship, master the art of maneuvering, and use a blend of tactical prowess and heavy firepower to overcome deadly threats.

    2026ActionStrategySimulationSteam ↗
  8. X Rebirth

    WHY THIS

    Ranked #8 for X4: Foundations fans by collaborative filtering across millions of Steam libraries. Shares Action and Simulation with X4: Foundations.

    In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.

    2013ActionSimulation5.99 USDDeck PlayableSteam ↗

Reviewers mention these as similar to X4: Foundations

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. EVE Online

    WHY THIS

    Shares an immersive mood with X4: Foundations.

    Reviewers of X4: Foundations cross-mention this title as a similar play. Shares Action and Strategy with X4: Foundations.

    Over 20 years of legendary space battles! Explore a massive living universe of danger and opportunity in a challenging and highly rewarding space adventure. Fight, trade, build, and connect with a universe driven and shaped directly by players.

    2010ActionStrategyMassively MultiplayerFreeDeck PlayableSteam ↗
  2. Elite Dangerous

    WHY THIS

    Shares an immersive mood with X4: Foundations.

    Reviewers of X4: Foundations cross-mention this title as a similar play. Shares Action and Strategy with X4: Foundations.

    Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.

    2015ActionStrategyAdventure19.99 USDDeck PlayableSteam ↗
  3. No Man's Sky

    WHY THIS

    Shares an epic mood with X4: Foundations.

    Reviewers of X4: Foundations cross-mention this title as a similar play. Shares Action with X4: Foundations.

    No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.

    2016ActionAdventure59.99 USDDeck VerifiedSteam ↗
  4. Starvector

    WHY THIS

    Reviewers of X4: Foundations cross-mention this title as a similar play. Shares Action and Strategy with X4: Foundations.

    Eat a snack while you watch an entire planet burn in your image.

    ActionStrategyIndieSteam ↗
  5. Stellaris

    WHY THIS

    Shares an epic mood with X4: Foundations.

    Reviewers of X4: Foundations cross-mention this title as a similar play. Shares Strategy and Simulation with X4: Foundations.

    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.

    2016StrategySimulation9.99 USDDeck PlayableSteam ↗
  6. Space Engineers

    WHY THIS

    Shares an immersive mood with X4: Foundations.

    Reviewers of X4: Foundations cross-mention this title as a similar play. Shares Action and Strategy with X4: Foundations.

    Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.

    2019ActionStrategyIndie9.99 USDSteam ↗
  7. Freelancer Life Simulator

    WHY THIS

    Reviewers of X4: Foundations cross-mention this title as a similar play. Shares Simulation with X4: Foundations.

    Become one of the best freelancers, starting your way from scratch. Fulfill orders of varying difficulty.

    2021IndieAdventureSimulation3.99 USDSteam ↗
  8. Mount & Blade

    WHY THIS

    Shares an immersive mood with X4: Foundations.

    Reviewers of X4: Foundations cross-mention this title as a similar play.

    Calradia is a land at war, offering great riches and even greater dangers to adventurers and mercenaries that flock to shed their blood on its soil. With courage and a strong sword, an unknown stranger can make a name as a warrior. Free-form sand-box gameplay.

    2008IndieRPG9.99 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below X4: Foundations at current Steam store prices.

  1. Garry's Mod

    WHY THIS

    Priced ~60% under X4: Foundations on Steam right now. Shares Simulation with X4: Foundations.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~60% under X4: Foundations on Steam right now. Shares Action with X4: Foundations.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  3. R.E.P.O.

    WHY THIS

    Priced ~44% under X4: Foundations on Steam right now. Shares Action with X4: Foundations.

    An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.

    2025ActionEarly Access6.99 USDDeck PlayableSteam ↗
  4. Titanfall® 2

    WHY THIS

    Priced ~64% under X4: Foundations on Steam right now. Shares Action with X4: Foundations.

    Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.

    2020Action4.49 USDDeck PlayableSteam ↗
  5. Slay the Spire

    WHY THIS

    Priced ~50% under X4: Foundations on Steam right now. Shares Strategy with X4: Foundations.

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSteam ↗
  6. Cookie Clicker

    WHY THIS

    Priced ~60% under X4: Foundations on Steam right now. Shares Strategy and Simulation with X4: Foundations.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  7. POSTAL 2

    WHY THIS

    Priced ~92% under X4: Foundations on Steam right now. Shares Action with X4: Foundations.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  8. Plants vs. Zombies GOTY Edition

    WHY THIS

    Priced ~60% under X4: Foundations on Steam right now. Shares Strategy with X4: Foundations.

    Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.

    2009Strategy4.99 USDDeck PlayableSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with X4: Foundations.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  2. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  3. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  4. Magic Archery

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with X4: Foundations.

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableSteam ↗
  5. The Lab

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeSteam ↗
  6. DORONKO WANKO

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Simulation with X4: Foundations.

    『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.

    2024ActionSimulationFree To PlayFreeSteam ↗
  7. Landfall Archives

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Strategy with X4: Foundations.

    Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!

    2023ActionStrategyIndieFreeSteam ↗
  8. SuchArt: Creative Space

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Simulation with X4: Foundations.

    Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗

More from Egosoft

Other recommendable Steam games by Egosoft, ranked by review count so the studio's hits land first.

  1. X Rebirth

    WHY THIS

    Another title from Egosoft, the studio behind X4: Foundations. Shares Action and Simulation with X4: Foundations.

    In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.

    2013ActionSimulation5.99 USDDeck PlayableSteam ↗
  2. X3: Terran Conflict

    WHY THIS

    Shares an immersive mood with X4: Foundations.

    Another title from Egosoft, the studio behind X4: Foundations. Shares Action and Strategy with X4: Foundations.

    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!

    2008ActionStrategySimulation3.19 USDDeck PlayableSteam ↗
  3. X3: Reunion

    WHY THIS

    Shares ship customization and an immersive mood with X4: Foundations.

    Another title from Egosoft, the studio behind X4: Foundations. Shares Strategy with X4: Foundations.

    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.

    2006Strategy1.99 USDSteam ↗
  4. X2: The Threat

    WHY THIS

    Shares an immersive mood with X4: Foundations.

    Another title from Egosoft, the studio behind X4: Foundations. Shares Strategy with X4: Foundations.

    X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.

    2006Strategy0.99 USDSteam ↗
  5. X: Beyond the Frontier

    WHY THIS

    Shares a contemplative mood with X4: Foundations.

    Another title from Egosoft, the studio behind X4: Foundations. Shares Strategy and Simulation with X4: Foundations.

    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.

    2010StrategySimulation0.99 USDSteam ↗
  6. X Rebirth VR Edition

    WHY THIS

    Shares an epic mood with X4: Foundations.

    Another title from Egosoft, the studio behind X4: Foundations. Shares Action and Simulation with X4: Foundations.

    X Rebirth VR Edition is tailored to be an immersive VR experience, based on X Rebirth: Home of Light. TRADE, FIGHT, BUILD, THINK in the X Universe - the biggest sandbox this side of the galaxy.

    2017ActionSimulation7.99 USDSteam ↗
  7. X: Tension

    WHY THIS

    Shares an immersive mood with X4: Foundations.

    Another title from Egosoft, the studio behind X4: Foundations. Shares Strategy and Simulation with X4: Foundations.

    X-Tension is the eagerly awaited expansion pack to X: Beyond the Frontier. The expansion is not limited by a linear plot line but makes use of new ways to expand your empire. You can now take part in missions that are offered to you throughout the game.

    2010StrategySimulation0.99 USDSteam ↗

Frequently asked about X4: Foundations

Is X4: Foundations verified for Steam Deck?
Yes — X4: Foundations is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
How much does X4: Foundations cost?
X4: Foundations is listed on Steam at 12.49 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to X4: Foundations?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside X4: Foundations are X3: Terran Conflict, X2: The Threat, X3: Reunion.
Who developed X4: Foundations?
X4: Foundations was developed by Egosoft.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on X4: Foundations.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.

39 Games Like X4: Foundations — Ranked for 2026 · imho.run