IMHO.

Games like Under Domain - Alien Invasion Simulator

If Under Domain - Alien Invasion Simulator is your kind of game, the closest matches are HOMUNCULCHU, Empires of the Void II and Galactic Economy — picked from the ranked list below. Reviewers single out its atmospheric, contemplative and immersive. 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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About Under Domain - Alien Invasion Simulator: Under Domain - Alien Invasion Simulator will surprise you with a Sci-fi turn-based game completely different from others. How about turning yourself into an Alien and planning an invasion to Planet Earth? You can secretly influence human history and build war machines to exterminate human beings.

2020StrategyIndieSimulation5.99 USDDeck PlayableWindowsby Playlearn
Under Domain - Alien Invasion Simulator — Steam game cover
Players highlight
Balance secrecy and ambition in every decisionManipulate human history as a long conPlay as the invaders not the defendersAtmosphericContemplativeImmersive

Players who liked Under Domain - Alien Invasion Simulator also play

Steam players who put hours into Under Domain - Alien Invasion Simulator 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. HOMUNCULCHU

    WHY THIS

    Top pick for Under Domain - Alien Invasion Simulator fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Under Domain - Alien Invasion Simulator.

    Guide fragile homunculi with limited lifespans through humanity's final bid for survival across six hostile worlds.

    2027SimulationSteam ↗
  2. Empires of the Void II

    WHY THIS

    Shares resource management and an atmospheric mood with Under Domain - Alien Invasion Simulator.

    Second-strongest match for Under Domain - Alien Invasion Simulator fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Under Domain - Alien Invasion Simulator.

    A sci-fi turn-based strategy game. A faithful digital rendition of the beloved board game, Empires of the Void II.

    2021Strategy9.99 USDSteam ↗
  3. Galactic Economy

    WHY THIS

    Third-strongest match for Under Domain - Alien Invasion Simulator fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Under Domain - Alien Invasion Simulator.

    Your road to financial freedom leads to the stars. Acquire strategic sectors, manage complex loans, and mitigate systemic risks to grow your passive income. A gritty sci-fi tycoon strategy game where every decision determines your path to galactic domination.

    2026StrategyIndieSimulationSteam ↗
  4. Gaia Project

    WHY THIS

    Shares a contemplative mood with Under Domain - Alien Invasion Simulator.

    Ranked #4 for Under Domain - Alien Invasion Simulator fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Under Domain - Alien Invasion Simulator.

    Gaia Project is the digital adaptation of the boardgame Gaia Project created by Helge Ostertag and Jens Drögemüller and published by "Feuerland Verlag". It is a 1-4 player strategy game. It plays in the same universe as Terra Mystica and continues the adventure in the far future.

    2021StrategyIndieCasual24.99 USDDeck VerifiedSteam ↗
  5. Attack of the Earthlings

    WHY THIS

    Shares an atmospheric mood with Under Domain - Alien Invasion Simulator.

    Ranked #5 for Under Domain - Alien Invasion Simulator fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Under Domain - Alien Invasion Simulator.

    Take on Galactoil, a comically dysfunctional intergalactic energy corporation, and its larger-than-life employees in a tactical-stealth game that fuses satisfying strategic gameplay and dark comedy in a quirky single-player story.

    2018StrategyIndie14.99 USDSteam ↗
  6. Sid Meier's Civilization®: Beyond Earth™

    WHY THIS

    Shares an atmospheric mood with Under Domain - Alien Invasion Simulator.

    Ranked #6 for Under Domain - Alien Invasion Simulator fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Under Domain - Alien Invasion Simulator.

    Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.

    2014Strategy9.99 USDSteam ↗
  7. ENDLESS™ Space - Definitive Edition

    WHY THIS

    Shares resource management and an atmospheric mood with Under Domain - Alien Invasion Simulator.

    Ranked #7 for Under Domain - Alien Invasion Simulator fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Under Domain - Alien Invasion Simulator.

    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.

    2012Strategy9.99 USDDeck PlayableSteam ↗
  8. Xenonauts

    WHY THIS

    Shares an atmospheric mood with Under Domain - Alien Invasion Simulator.

    Ranked #8 for Under Domain - Alien Invasion Simulator fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Under Domain - Alien Invasion Simulator.

    Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat.

    2014StrategyIndieSimulation24.99 USDSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Under Domain - Alien Invasion Simulator at current Steam store prices.

  1. POSTAL 2

    WHY THIS

    Priced ~83% under Under Domain - Alien Invasion Simulator on Steam right now. Shares Indie with Under Domain - Alien Invasion Simulator.

    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 ↗
  2. Buckshot Roulette

    WHY THIS

    Priced ~50% under Under Domain - Alien Invasion Simulator on Steam right now. Shares Indie and Simulation with Under Domain - Alien Invasion Simulator.

    Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  3. The Test

    WHY THIS

    Priced ~67% under Under Domain - Alien Invasion Simulator on Steam right now. Shares Indie and Simulation with Under Domain - Alien Invasion Simulator.

    You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?

    2020IndieAdventureSimulation1.99 USDDeck VerifiedSteam ↗
  4. Milk inside a bag of milk inside a bag of milk

    WHY THIS

    Priced ~75% under Under Domain - Alien Invasion Simulator on Steam right now. Shares Indie with Under Domain - Alien Invasion Simulator.

    A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.

    2020IndieAdventure1.49 USDDeck PlayableSteam ↗
  5. Crypt of the NecroDancer

    WHY THIS

    Priced ~50% under Under Domain - Alien Invasion Simulator on Steam right now. Shares Indie with Under Domain - Alien Invasion Simulator.

    Crypt of the NecroDancer is an award winning hardcore roguelike rhythm game. Move to the music and deliver beatdowns to the beat! Groove to the epic Danny Baranowsky soundtrack, or select songs from your own MP3 collection!

    2015ActionIndieRPG2.99 USDDeck VerifiedSteam ↗
  6. Super Hexagon

    WHY THIS

    Priced ~50% under Under Domain - Alien Invasion Simulator on Steam right now. Shares Indie with Under Domain - Alien Invasion Simulator.

    Super Hexagon is a minimal action game by Terry Cavanagh, with music by Chipzel.

    2012ActionIndie2.99 USDDeck VerifiedSteam ↗
  7. Placid Plastic Duck Simulator

    WHY THIS

    Priced ~67% under Under Domain - Alien Invasion Simulator on Steam right now. Shares Simulation with Under Domain - Alien Invasion Simulator.

    The ultimate high-tech rubber duck simulation, Placid Plastic Duck brings you dangerous levels of relaxation. With chill music, dreamy 3D graphics, and many different happy ducks, your only priority is to float around. Zero Ducks given.

    2022SimulationCasual1.99 USDDeck VerifiedSteam ↗
  8. Nodebuster

    WHY THIS

    Priced ~50% under Under Domain - Alien Invasion Simulator on Steam right now. Shares Strategy and Indie with Under Domain - Alien Invasion Simulator.

    Nodebuster is a short, experimental incremental game about busting nodes and destroying reality.

    2024StrategyIndieSimulation2.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Life is Strange - Episode 1

    WHY THIS

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

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  2. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Under Domain - Alien Invasion Simulator.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  3. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Under Domain - Alien Invasion Simulator.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  4. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Under Domain - Alien Invasion Simulator.

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  5. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Under Domain - Alien Invasion Simulator.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. missed messages.

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Under Domain - Alien Invasion Simulator.

    ‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.

    2019IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  7. NGU IDLE

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Under Domain - Alien Invasion Simulator.

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck PlayableSteam ↗
  8. Virtual Cottage

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Under Domain - Alien Invasion Simulator.

    Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.

    2020IndieSimulationFree To PlayFreeDeck PlayableSteam ↗

Frequently asked about Under Domain - Alien Invasion Simulator

Does Under Domain - Alien Invasion Simulator run on Steam Deck?
Under Domain - Alien Invasion Simulator is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does Under Domain - Alien Invasion Simulator cost?
Under Domain - Alien Invasion Simulator is listed on Steam at 5.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Under Domain - Alien Invasion Simulator?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Under Domain - Alien Invasion Simulator are HOMUNCULCHU, Empires of the Void II, Galactic Economy.
Who developed Under Domain - Alien Invasion Simulator?
Under Domain - Alien Invasion Simulator was developed by Playlearn.

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 Under Domain - Alien Invasion Simulator.

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