IMHO.

Games like Monster Outbreak

If Monster Outbreak is your kind of game, the closest matches are The Riftbreaker, First Dwarf and ARK: Survival Ascended — picked from the ranked list below. Reviewers single out its challenging, stressful and tense. 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 Monster Outbreak: The King's dimensional orb has malfunctioned, bringing hordes of monsters into the Kingdom. Defend your safeground against the monsters by gathering resources, building defenses, upgrading your arsenal, and surviving long enough to find the source of monsters and destroy it.

2022ActionStrategyIndieAdventureRPG14.99 USDDeck PlayableWindowsby GameMunchers
Monster Outbreak — Steam game cover
Players highlight
Boss fights turn into hack and slash actionCo op multiplayer is enjoyable with friendsResource driven preparation loop feels distinctChallengingStressfulTense

Players who liked Monster Outbreak also play

Steam players who put hours into Monster Outbreak 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. The Riftbreaker

    WHY THIS

    Shares a challenging mood with Monster Outbreak.

    Top pick for Monster Outbreak fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Monster Outbreak.

    The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

    2021ActionStrategyIndie11.99 USDDeck PlayableSteam ↗
  2. First Dwarf

    WHY THIS

    Shares a challenging mood with Monster Outbreak.

    Second-strongest match for Monster Outbreak fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Monster Outbreak.

    Pilot a dwarven mech and fly a dragon as you build and defend outposts across a shattered magical realm. Craft, explore, and survive the dangers of floating islands corrupted by the Taint in this action-packed survival RPG with base-building and co-op.

    2024ActionIndieAdventure14.24 USDDeck VerifiedSteam ↗
  3. ARK: Survival Ascended

    WHY THIS

    Shares co op multiplayer, resource gathering and a stressful mood with Monster Outbreak.

    Third-strongest match for Monster Outbreak fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Monster Outbreak.

    ARK is reimagined from the ground-up into the next-generation of video game technology with Unreal Engine 5! Form a tribe, tame & breed hundreds of unique dinosaurs and primeval creatures, explore, craft, build, and fight your way to the top of the food-chain. Your new world awaits!

    2023ActionIndieAdventure44.99 USDDeck VerifiedSteam ↗
  4. Lumencraft

    WHY THIS

    Shares a tense mood with Monster Outbreak.

    Ranked #4 for Monster Outbreak fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Monster Outbreak.

    Lumencraft is a unique combination of a top-down, rogue-like shooter and base building with tower defense elements. Dig and light up dark halls of a fully destructible environment on procedurally generated maps and campaign levels to find precious Lumen - humanity's only chance for survival.

    2023ActionStrategyIndie19.99 USDDeck VerifiedSteam ↗
  5. Voltaire: The Vegan Vampire

    WHY THIS

    Shares crafting and a whimsical mood with Monster Outbreak.

    Ranked #5 for Monster Outbreak fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Monster Outbreak.

    Rebel against your legacy in this farming action roguelite. Tend your spooky farm by day & defend your crops from enemies at night! Upgrade Voltaire, youngest son of Dracula, with devious new abilities & discover dozens of new plants to cultivate. Send dad a message: a vegan life is no missed steak!

    2023ActionIndieSimulation19.99 USDDeck VerifiedSteam ↗
  6. Keep Keepers

    WHY THIS

    Shares co op multiplayer and a tense mood with Monster Outbreak.

    Ranked #6 for Monster Outbreak fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Monster Outbreak.

    Tower Defense meets Base Management. Strategically place your defenses. Craft wacky ammunition like fiery peppers and boomerang bananas. Discover amazing weapons and automate your economy while defending against waves of enemies. Can you handle the chaos?

    2024ActionStrategyIndie11.69 USDDeck PlayableSteam ↗
  7. Welcome to ParadiZe

    WHY THIS

    Shares base defense, crafting and a whimsical mood with Monster Outbreak.

    Ranked #7 for Monster Outbreak fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Monster Outbreak.

    Paradise isn't exactly what you hoped for: it's infested with zombies! Thankfully, you can control them. Capture them and teach them to farm or fight. They will help you defend our camp while you explore the world looking for… a new paradise.

    2024ActionAdventureRPG7.99 USDDeck PlayableSteam ↗
  8. Dig or Die

    WHY THIS

    Shares a challenging mood with Monster Outbreak.

    Ranked #8 for Monster Outbreak fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Monster Outbreak.

    Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.

    2018ActionStrategyIndie11.99 USDSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~67% under Monster Outbreak on Steam right now. Shares Indie with Monster Outbreak.

    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 ~67% under Monster Outbreak on Steam right now. Shares Action and Indie with Monster Outbreak.

    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 ~53% under Monster Outbreak on Steam right now. Shares Action with Monster Outbreak.

    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. PEAK

    WHY THIS

    Priced ~47% under Monster Outbreak on Steam right now. Shares Action and Indie with Monster Outbreak.

    PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

    2025ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗
  5. Titanfall® 2

    WHY THIS

    Priced ~70% under Monster Outbreak on Steam right now. Shares Action with Monster Outbreak.

    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 ↗
  6. Sid Meier's Civilization® V

    WHY THIS

    Priced ~50% under Monster Outbreak on Steam right now. Shares Strategy with Monster Outbreak.

    Create, discover, and download new player-created maps, scenarios, interfaces, and more!

    2010Strategy7.49 USDDeck PlayableSteam ↗
  7. Slay the Spire

    WHY THIS

    Priced ~58% under Monster Outbreak on Steam right now. Shares Strategy and Indie with Monster Outbreak.

    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 ↗
  8. Inscryption

    WHY THIS

    Priced ~47% under Monster Outbreak on Steam right now. Shares Strategy and Indie with Monster Outbreak.

    Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...

    2021StrategyIndieAdventure7.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Bongo Cat

    WHY THIS

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

    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 ↗
  2. Awaria

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Monster Outbreak.

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

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  3. The Expendabros

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Monster Outbreak.

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedSteam ↗
  4. Iron Snout

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Monster Outbreak.

    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. UNBEATABLE [white label]

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Monster Outbreak.

    A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. Star Fetchers

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Monster Outbreak.

    The introduction to a wild ride with gangsters and deep state conspiracy theories

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗
  7. Magic Archery

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and RPG with Monster Outbreak.

    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 ↗
  8. Eternal Senia

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Monster Outbreak.

    Thoughts and expectations ARPG

    2015ActionIndieRPGFreeDeck PlayableSteam ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. First Dwarf

    WHY THIS

    Shares a challenging mood with Monster Outbreak.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Monster Outbreak.

    Pilot a dwarven mech and fly a dragon as you build and defend outposts across a shattered magical realm. Craft, explore, and survive the dangers of floating islands corrupted by the Taint in this action-packed survival RPG with base-building and co-op.

    2024ActionIndieAdventure14.24 USDDeck VerifiedSteam ↗
  2. ARK: Survival Ascended

    WHY THIS

    Shares co op multiplayer, resource gathering and a stressful mood with Monster Outbreak.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Monster Outbreak.

    ARK is reimagined from the ground-up into the next-generation of video game technology with Unreal Engine 5! Form a tribe, tame & breed hundreds of unique dinosaurs and primeval creatures, explore, craft, build, and fight your way to the top of the food-chain. Your new world awaits!

    2023ActionIndieAdventure44.99 USDDeck VerifiedSteam ↗
  3. Lumencraft

    WHY THIS

    Shares a tense mood with Monster Outbreak.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Strategy with Monster Outbreak.

    Lumencraft is a unique combination of a top-down, rogue-like shooter and base building with tower defense elements. Dig and light up dark halls of a fully destructible environment on procedurally generated maps and campaign levels to find precious Lumen - humanity's only chance for survival.

    2023ActionStrategyIndie19.99 USDDeck VerifiedSteam ↗
  4. Voltaire: The Vegan Vampire

    WHY THIS

    Shares crafting and a whimsical mood with Monster Outbreak.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Monster Outbreak.

    Rebel against your legacy in this farming action roguelite. Tend your spooky farm by day & defend your crops from enemies at night! Upgrade Voltaire, youngest son of Dracula, with devious new abilities & discover dozens of new plants to cultivate. Send dad a message: a vegan life is no missed steak!

    2023ActionIndieSimulation19.99 USDDeck VerifiedSteam ↗

Frequently asked about Monster Outbreak

Does Monster Outbreak run on Steam Deck?
Monster Outbreak 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 Monster Outbreak cost?
Monster Outbreak is listed on Steam at 14.99 USD (current store price; Steam sales may reduce this temporarily).
Does Monster Outbreak have multiplayer or co-op?
Yes — Monster Outbreak supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Shared/Split Screen Co-op).
What games are most similar to Monster Outbreak?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Monster Outbreak are The Riftbreaker, First Dwarf, ARK: Survival Ascended.
Who developed Monster Outbreak?
Monster Outbreak was developed by GameMunchers and published by indie.io.

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 Monster Outbreak.

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