IMHO.

Games like Galactic Defense: Automation

If Galactic Defense: Automation is your kind of game, the closest matches are Star Defence, TechGuardian: Territory Defense and Necronator: Dead Wrong — picked from the ranked list below. 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 Galactic Defense: Automation: "Galactic Defense: Automation" is a Placement, Automated Battle, Real-Time Strategy game. Players can place construction plans, observe automated construction, automated battles, and unlock new technologies. Players pass the level after collecting tech points through activities.

2024StrategySimulation7.99 USDWindows · macOS · Linuxby Jackson Xie
Galactic Defense: Automation — Steam game cover

Players who liked Galactic Defense: Automation also play

Steam players who put hours into Galactic Defense: Automation 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. Star Defence

    WHY THIS

    Top pick for Galactic Defense: Automation fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Galactic Defense: Automation.

    Star Defence is a unit-placement real-time tower defense game in which you can place any unit you like on a 2D free-form plane. All units in the game, including enemies, are composed of units you place. Place your units in a balance between enemies and allies to develop your civilization.

    2023StrategyIndieSimulation0.99 USDSteam ↗
  2. TechGuardian: Territory Defense

    WHY THIS

    Second-strongest match for Galactic Defense: Automation fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Galactic Defense: Automation.

    This is a sci-fi strategy game featuring a Defense Mode focused on tower defense and an Attack Mode focused on combat. The game includes over 30 different buildings and units, all of which can be upgraded through entry editing to enhance their performance and firepower.

    2025StrategyIndieSimulation1.91 USDSteam ↗
  3. Necronator: Dead Wrong

    WHY THIS

    Third-strongest match for Galactic Defense: Automation fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Galactic Defense: Automation.

    Necronator: Dead Wrong is a deck-building roguelike with an RTS twist. Build a powerful deck. Collect and deploy undead units and raise a unique army. Master each commander’s playstyle and conquer the world. Change the game with rule-bending relics. Unlock new decks and do it all again.

    2020ActionStrategyIndie12.99 USDDeck PlayableSteam ↗
  4. Screeps: Arena

    WHY THIS

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

    Screeps: Arena is an online asynchronous PvP strategy game for programming enthusiasts. You write real JavaScript to control your units, and they fight autonomously against other players in a 1v1 match-based arena environment.

    2025StrategyIndieSimulation19.99 USDDeck PlayableSteam ↗
  5. Stronghold: Definitive Edition

    WHY THIS

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

    Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.

    2023StrategySimulation14.99 USDDeck PlayableSteam ↗
  6. Stronghold HD (2012)

    WHY THIS

    Ranked #6 for Galactic Defense: Automation fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Galactic Defense: Automation.

    The original castle sim, Stronghold HD allows you to design, build and destroy historical castles. Engage in medieval warfare against the AI in one of two single player campaigns or online with up to 8 players.

    2013StrategySimulation5.99 USDSteam ↗
  7. Kitchen Crisis

    WHY THIS

    Ranked #7 for Galactic Defense: Automation fans by collaborative filtering across millions of Steam libraries.

    Kitchen Crisis is a culinary defense game. You are abducted by aliens and must satisfy their appetite. If you want to live to see another day, efficiently arrange your cooking appliances, upgrade your ingredients and tools! In order to survive, make wise decisions according to everchaning recipes.

    2024IndieCasual14.99 USDDeck PlayableSteam ↗
  8. Yokai Art: Night Parade of One Hundred Demons

    WHY THIS

    Ranked #8 for Galactic Defense: Automation fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Galactic Defense: Automation.

    By accident, you broke the seal of the mysterious book, which contains an enormous magical power that allows users to control any Yokai by defeating them and recording their names. This godly power is too much which alerts all the Yokai. You must find your own way to defeat them and survive.

    2022ActionStrategyIndie6.99 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Galactic Defense: Automation at current Steam store prices.

  1. Buckshot Roulette

    WHY THIS

    Priced ~63% under Galactic Defense: Automation on Steam right now. Shares Simulation with Galactic Defense: Automation.

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

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  2. The Test

    WHY THIS

    Priced ~75% under Galactic Defense: Automation on Steam right now. Shares Simulation with Galactic Defense: Automation.

    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 ↗
  3. Placid Plastic Duck Simulator

    WHY THIS

    Priced ~75% under Galactic Defense: Automation on Steam right now. Shares Simulation with Galactic Defense: Automation.

    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 ↗
  4. Nodebuster

    WHY THIS

    Priced ~63% under Galactic Defense: Automation on Steam right now. Shares Strategy and Simulation with Galactic Defense: Automation.

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

    2024StrategyIndieSimulation2.99 USDDeck PlayableSteam ↗
  5. shapez

    WHY THIS

    Priced ~88% under Galactic Defense: Automation on Steam right now. Shares Strategy and Simulation with Galactic Defense: Automation.

    shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!

    2020StrategyIndieSimulation0.99 USDDeck PlayableSteam ↗
  6. Tower Wizard

    WHY THIS

    Priced ~63% under Galactic Defense: Automation on Steam right now. Shares Strategy and Simulation with Galactic Defense: Automation.

    Help a wizard build and upgrade a wizard tower in this incremental game! Use the tower to study magic, summon spirits, create buildings, and influence the world.

    2025StrategyIndieSimulation2.99 USDDeck PlayableSteam ↗
  7. Digseum

    WHY THIS

    Priced ~63% under Galactic Defense: Automation on Steam right now. Shares Simulation with Galactic Defense: Automation.

    Digseum is a short incremental journey about digging up ancient relics and building the greatest museum ever!

    2024SimulationCasual2.99 USDDeck PlayableSteam ↗
  8. The Test: Hypothesis Rising

    WHY THIS

    Priced ~75% under Galactic Defense: Automation on Steam right now. Shares Simulation with Galactic Defense: Automation.

    The second chapter in The Test trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover how your life can change drastically with just a few, slight modifications. ...But are you sure you want the answers you seek?

    2020IndieAdventureSimulation1.99 USDDeck VerifiedSteam ↗

Free alternatives

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

  1. Die in the Dungeon: Origins

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with Galactic Defense: Automation.

    Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!

    2023StrategyIndieRPGFreeDeck VerifiedSteam ↗
  2. The Last Sovereign

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with Galactic Defense: Automation.

    Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.

    2025StrategyIndieAdventureFreeDeck VerifiedSteam ↗
  3. Dota 2

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with Galactic Defense: Automation.

    Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.

    2013ActionStrategyFree To PlayFreeDeck PlayableSteam ↗
  4. Crusader Kings II

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Simulation with Galactic Defense: Automation.

    Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.

    2012StrategySimulationRPGFreeDeck PlayableSteam ↗
  5. AdVenture Capitalist

    WHY THIS

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

    Welcome, eager young investor, to AdVenture Capitalist! Arguably the world's greatest Capitalism simulator!

    2015IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  6. Dota Underlords

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with Galactic Defense: Automation.

    Hire a crew and destroy your rivals in this new strategy battler set in the world of Dota. Introducing Season One: Explore White Spire and earn rewards on the Battle Pass. Pick from several different game modes, play on your own or with friends, and take advantage of crossplay on PC and mobile.

    2019StrategyFree To PlayCasualFreeDeck VerifiedSteam ↗
  7. Fallout Shelter

    WHY THIS

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

    Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.

    2017SimulationRPGFree To PlayFreeDeck VerifiedSteam ↗
  8. Clicker Heroes

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Simulation with Galactic Defense: Automation.

    Click your way through hordes of monsters, earn gold, and recruit quirky heroes with powerful skills. Progress even while you're idle, and watch the numbers climb into the absurd. It’s a never-ending journey of clicks, crits, and colossal damage.

    2015StrategyIndieAdventureFreeSteam ↗

Frequently asked about Galactic Defense: Automation

How much does Galactic Defense: Automation cost?
Galactic Defense: Automation is listed on Steam at 7.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Galactic Defense: Automation?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Galactic Defense: Automation are Star Defence, TechGuardian: Territory Defense, Necronator: Dead Wrong.
Who developed Galactic Defense: Automation?
Galactic Defense: Automation was developed by Jackson Xie and published by Jackson Xie, Tony Wang.

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 Galactic Defense: Automation.

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