IMHO.

Games like Monstronomy

If Monstronomy is your kind of game, the closest matches are The Backworld, Requiem Aeternam Eden and Creepy Horrors: Blood Cult 2 — picked from the ranked list below. Reviewers single out its atmospheric, dark and eerie. 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 Monstronomy: Monstronomy is a dark take on the timeless monster collecting genre. As you explore a cute world filled with quirky monsters and odd NPCs, a deep and sinister story unfolds with the discovery of found-films and unsettling glitches. This game is not suitable for individuals who are easily disturbed.

2024RPG14.99 USDDeck PlayableWindowsby Dolphin Horizon Games, Inc.
Monstronomy — Steam game cover
Players highlight
Arg style mystery rewards explorationArg style puzzles solvable with other playersAtmospheric story with multiple endings and secretsAtmosphericDarkEerie

Players who liked Monstronomy also play

Steam players who put hours into Monstronomy 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 Backworld

    WHY THIS

    Top pick for Monstronomy fans by collaborative filtering across millions of Steam libraries. Shares RPG with Monstronomy.

    Slip between the cracks of reality into a world where danger awaits at every turn. Survive with strategy, battling when necessary or fleeing when the odds are stacked against you. Collect strange items, unlock new abilities, and recruit unique companions. Forge your own path; every choice matters.

    2027IndieAdventureRPGSteam ↗
  2. Requiem Aeternam Eden

    WHY THIS

    Second-strongest match for Monstronomy fans by collaborative filtering across millions of Steam libraries. Shares RPG with Monstronomy.

    A dream-like simulation in which you impersonate Ego, the last of Lilith's children, in a mission down on Earth.

    2020RPG0.99 USDSteam ↗
  3. Creepy Horrors: Blood Cult 2

    WHY THIS

    Third-strongest match for Monstronomy fans by collaborative filtering across millions of Steam libraries. Shares RPG with Monstronomy.

    Build your roster of Creepy Horrors with demons, undead, spirits and cryptids in this tactical monster-taming dungeon RPG. Sacrifice blood cult followers and alchemical materials to summon Horrors, wielding them in merciless 3v3 battle to conquer rival cults and nightmare fueled monstrosities alike.

    2027ActionIndieAdventureSteam ↗
  4. 勇者与亡灵之都

    WHY THIS

    Shares multiple endings and an atmospheric mood with Monstronomy.

    Ranked #4 for Monstronomy fans by collaborative filtering across millions of Steam libraries. Shares RPG with Monstronomy.

    《勇者与亡灵之都》是一款在半开放世界探索的回合制RPG游戏,游戏借鉴了NPCDream、Blacksouls等rpg,采用了ATB行动条的设定,加快了战斗的节奏和策略性。 亡灵、魔物亦或是人类,只要阻挡在你面前的尽管杀光就是。勇者就是这样的存在啊... 游戏带有多结局与二周目元素,突出一个量大管饱。

    2024IndieAdventureRPG6.99 USDSteam ↗
  5. Undernauts: Labyrinth of Yomi

    WHY THIS

    Shares an atmospheric mood with Monstronomy.

    Ranked #5 for Monstronomy fans by collaborative filtering across millions of Steam libraries. Shares RPG with Monstronomy.

    Escape from “Yomi” – a dungeon filled with riches – and danger. Make use of your powerful skills and magic items to create exits and reach the surface alive.

    2021RPG29.99 USDDeck PlayableSteam ↗
  6. Digimon Story Time Stranger

    WHY THIS

    Shares an atmospheric mood with Monstronomy.

    Ranked #6 for Monstronomy fans by collaborative filtering across millions of Steam libraries. Shares RPG with Monstronomy.

    The latest in the Digimon Story series is finally here! In this RPG, unravel a mystery that spans across the human world and the Digital World, collecting and raising a wide variety of Digimon to save the world.

    2025RPG69.99 USDDeck VerifiedSteam ↗
  7. Rainbow Billy: The Curse of the Leviathan

    WHY THIS

    Shares creature collection and a whimsical mood with Monstronomy.

    Ranked #7 for Monstronomy fans by collaborative filtering across millions of Steam libraries. Shares RPG with Monstronomy.

    Rainbow Billy: The Curse of the Leviathan is a wholesome, creature capture, 2.5D Adventure-Puzzle-Platformer with over 30 hours of gameplay!

    2021IndieAdventureRPG19.99 USDDeck VerifiedSteam ↗
  8. Siralim Ultimate

    WHY THIS

    Shares a whimsical mood with Monstronomy.

    Ranked #8 for Monstronomy fans by collaborative filtering across millions of Steam libraries. Shares RPG with Monstronomy.

    Siralim Ultimate is a monster-catching, dungeon-crawling RPG with a ridiculous amount of depth. Summon over 1200 different creatures and travel through randomly generated dungeons to acquire resources, new creatures, and loot.

    2021StrategyIndieRPG19.99 USDDeck PlayableSteam ↗

Cheaper alternatives

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

  1. Vampire Survivors

    WHY THIS

    Priced ~67% under Monstronomy on Steam right now. Shares RPG with Monstronomy.

    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 ↗
  2. Noita

    WHY THIS

    Priced ~47% under Monstronomy on Steam right now.

    Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.

    2020ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗
  3. Brotato

    WHY THIS

    Priced ~67% under Monstronomy on Steam right now. Shares RPG with Monstronomy.

    Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

    2023ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  4. Halls of Torment

    WHY THIS

    Priced ~56% under Monstronomy on Steam right now. Shares RPG with Monstronomy.

    Slay hordes of terrifying monsters in this horde survival roguelite. Descend into the Halls of Torment where the Lords of the underworld await you. Treasures, magical trinkets, and a growing cast of heroes will grant you the power to vanquish these horrors from beyond. How long can you survive?

    2024ActionIndieRPG6.66 USDDeck VerifiedSteam ↗
  5. The Test

    WHY THIS

    Priced ~87% under Monstronomy on Steam right now. Shares RPG with Monstronomy.

    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 ↗
  6. Crypt of the NecroDancer

    WHY THIS

    Priced ~80% under Monstronomy on Steam right now. Shares RPG with Monstronomy.

    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 ↗
  7. FlyKnight

    WHY THIS

    Priced ~60% under Monstronomy on Steam right now. Shares RPG with Monstronomy.

    Explore, fight, loot and fish! Solo or in co-op mode in this Old School First Person Dungeon Crawler. Earn your knighthood as you oppose the evil witch Lunamoth and stop her curse which prevents everyone from growing wings.

    2025ActionAdventureRPG5.99 USDDeck PlayableSteam ↗
  8. Streets of Rogue

    WHY THIS

    Priced ~73% under Monstronomy on Steam right now. Shares RPG with Monstronomy.

    Fight, sneak, and hack your way through randomly generated cities. It's like Nuclear Throne meets Deus Ex, mixed with the anarchy of GTA. Rogue-lite meets immersive sim, and goes completely insane.

    2019ActionIndieAdventure3.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Doki Doki Literature Club!

    WHY THIS

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

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Indigo Park: Chapter 1

    WHY THIS

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

    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 ↗
  3. Grimm's Hollow

    WHY THIS

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

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableSteam ↗
  4. Iron Snout

    WHY THIS

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

    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. Star Fetchers

    WHY THIS

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

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

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. Magic Archery

    WHY THIS

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

    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 ↗
  7. Eternal Senia

    WHY THIS

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

    Thoughts and expectations ARPG

    2015ActionIndieRPGFreeDeck PlayableSteam ↗
  8. Paper Lily - Chapter 1

    WHY THIS

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

    Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.

    2024IndieAdventureRPGFreeDeck VerifiedSteam ↗

Frequently asked about Monstronomy

Does Monstronomy run on Steam Deck?
Monstronomy 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 Monstronomy cost?
Monstronomy is listed on Steam at 14.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Monstronomy?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Monstronomy are The Backworld, Requiem Aeternam Eden, Creepy Horrors: Blood Cult 2.
Who developed Monstronomy?
Monstronomy was developed by Dolphin Horizon Games, Inc..

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 Monstronomy.

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