IMHO.

Games like Under the Ruin

If Under the Ruin is your kind of game, the closest matches are Zombie Apocalypse - The Last Fortress, Zombie Apocalypse - The Last Defense and THE LAST DEFENSE! — 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 Under the Ruin: Lead a squad into the ruins, scavenging resources while fending off relentless swarms.​ In this ​​unique, expansion-style tower defense game​​, explore regions, grow your forces, and stop the cataclysm to save humanity.

2025StrategyIndieSimulation5.99 USDWindowsby YETS
Under the Ruin — Steam game cover

Players who liked Under the Ruin also play

Steam players who put hours into Under the Ruin 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. Zombie Apocalypse - The Last Fortress

    WHY THIS

    Top pick for Under the Ruin fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Under the Ruin.

    Defend your base against hordes of zombies while using a variety of weapons, vehicles, explosives, soldiers and turrets in this survival tower defense game. Will you be able to create your own strategy and survive for 30 days?

    2023StrategyIndieCasual0.99 USDSteam ↗
  2. Zombie Apocalypse - The Last Defense

    WHY THIS

    Second-strongest match for Under the Ruin fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Under the Ruin.

    Create your own strategies, tactics and manage your resources in this survival tower defense game. Buy weapons, vehicles, explosives, soldiers, turrets and battle against huge waves of zombies. Can you survive for 25 days?

    2022StrategyIndieCasual0.99 USDSteam ↗
  3. THE LAST DEFENSE!

    WHY THIS

    Third-strongest match for Under the Ruin fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Under the Ruin.

    A classic tower defense game with ordinary graphics didn't fascinate you? Well, let's give a try and see how long you can defend! Show your commanding skills and prove no enemy can break your defense! Be a hero and save humanity with the LAST DEFENSE!

    2021StrategyIndieCasual2.99 USDSteam ↗
  4. ByteCrawler

    WHY THIS

    Ranked #4 for Under the Ruin fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Under the Ruin.

    Pick a hero, build your swarm, and hold off enemy waves. Place units, watch your energy, and level up to survive in this lane-defense strategy game!

    2026StrategyCasualSteam ↗
  5. ITER-8

    WHY THIS

    Ranked #5 for Under the Ruin fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Under the Ruin.

    Welcome to the surface, ITER employee #8. Mine the Pillar, upgrade your tools, defend your base, reach the top... or die miserably. Each expendable worker pushes the mission forward - one glorious, replaceable iteration at a time.

    2026ActionStrategyIndie12.99 USDDeck VerifiedSteam ↗
  6. Legendary Hoplite

    WHY THIS

    Ranked #6 for Under the Ruin fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Under the Ruin.

    A combination of Action RPG and Tower Defense: slay monsters, find weapons, upgrade your armies, defend your base… Prevent humanity from extinction at the hands of monsters from Greek mythology and ancient tribes. Don't let them cross the gate, commander!

    2024ActionStrategyIndie14.99 USDDeck PlayableSteam ↗
  7. Phantom Brigade

    WHY THIS

    Ranked #7 for Under the Ruin fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Under the Ruin.

    Phantom Brigade 2.0 is a cinematic, tactical mech strategy game with a revolutionary timeline-based command system. See the future, predict enemy actions, and plot your counterattack on the timeline! Recruit and level up your squad of rebels to retake war-torn Fyrland from the Kaskad occupation.

    2023StrategyIndieSimulation29.99 USDDeck PlayableSteam ↗
  8. Envy the Dead

    WHY THIS

    Ranked #8 for Under the Ruin fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Under the Ruin.

    Envy the Dead is zombie survival roguelike, in which you are leading group of unique, randomly generated characters through destroyed lands, infested with zombies.

    2016StrategySimulationRPG2.99 USDSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Under the Ruin at current Steam store prices.

  1. POSTAL 2

    WHY THIS

    Priced ~83% under Under the Ruin on Steam right now. Shares Indie with Under the Ruin.

    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 the Ruin on Steam right now. Shares Indie and Simulation with Under the Ruin.

    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 the Ruin on Steam right now. Shares Indie and Simulation with Under the Ruin.

    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 the Ruin on Steam right now. Shares Indie with Under the Ruin.

    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 the Ruin on Steam right now. Shares Indie with Under the Ruin.

    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 the Ruin on Steam right now. Shares Indie with Under the Ruin.

    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 the Ruin on Steam right now. Shares Simulation with Under the Ruin.

    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 the Ruin on Steam right now. Shares Strategy and Indie with Under the Ruin.

    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. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  2. Awaria

    WHY THIS

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

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  3. Steam Engine Simulator

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Under the Ruin.

    The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.

    2023SimulationFreeDeck VerifiedSteam ↗
  4. Iron Snout

    WHY THIS

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

    Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.

    2016ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  5. Magic Archery

    WHY THIS

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

    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 ↗
  6. Floating Point

    WHY THIS

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

    Floating Point is a peaceful, free game about using a grappling hook to swing yourself gracefully through randomly generated spaces. The only objective is to collect points, and the only thing that increases your points is swinging swiftly, smoothly and elegantly without hitting anything.

    2014IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  7. Landfall Archives

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Indie with Under the Ruin.

    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 Indie and Simulation with Under the Ruin.

    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 ↗

Frequently asked about Under the Ruin

How much does Under the Ruin cost?
Under the Ruin is listed on Steam at 5.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Under the Ruin?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Under the Ruin are Zombie Apocalypse - The Last Fortress, Zombie Apocalypse - The Last Defense, THE LAST DEFENSE!.
Who developed Under the Ruin?
Under the Ruin was developed by YETS.

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 the Ruin.

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

24 Games Like Under the Ruin — Ranked for 2026 · imho.run