IMHO.

Games like Source of Madness

If Source of Madness is your kind of game, the closest matches are Salt and Sacrifice, Kingdoms And Slaves and ENDER LILIES: Quietus of the Knights — picked from the ranked list below. Reviewers single out its atmospheric, dark and hypnotic. 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.

Get personalized picks →

About Source of Madness: Source of Madness is a side-scrolling dark action roguelite set in a twisted Lovecraftian inspired world powered by procedural generation and AI machine learning. Take on the role of a new Acolyte as they embark on a nightmarish odyssey.

2022Action19.99 USDDeck VerifiedWindowsby Carry Castle
Source of Madness — Steam game cover
Players highlight
Ai generated enemies feel uniquely unsettlingCosmic horror theme is consistently deliveredDreamlike art and soundtrack enhance immersionAtmosphericDarkHypnotic

Players who liked Source of Madness also play

Steam players who put hours into Source of Madness 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. Salt and Sacrifice

    WHY THIS

    Top pick for Source of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action with Source of Madness.

    Join your fellow Marked Inquisitors in this online coop successor to award-winning 2016 Soulslike Salt and Sanctuary.

    2023ActionRPG19.99 USDDeck VerifiedSteam ↗
  2. Kingdoms And Slaves

    WHY THIS

    Second-strongest match for Source of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action with Source of Madness.

    Even with the slavery of the weak green-skinned, the kingdom couldn't resist to the curse of the crystals and began to fall, driving them madness, death, and leading the Kingdom to the catastrophe.

    2026ActionIndieAdventure6.99 USDSteam ↗
  3. ENDER LILIES: Quietus of the Knights

    WHY THIS

    Shares an atmospheric mood with Source of Madness.

    Third-strongest match for Source of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action with Source of Madness.

    ENDER LILIES is a dark fantasy 2D action RPG about unraveling the mysteries of a destroyed kingdom. On this sorrowful journey, encounter horrific enemies against whom a moment of inattention could be fatal. Overcome these hardships and seek the truth with the help of fallen knights.

    2021ActionIndieRPG9.99 USDDeck VerifiedSteam ↗
  4. Salt and Sanctuary

    WHY THIS

    Shares an atmospheric mood with Source of Madness.

    Ranked #4 for Source of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action with Source of Madness.

    Explore a haunting, punishing island in this stylized 2D action RPG. Salt and Sanctuary combines fast and brutal 2D combat with richly developed RPG mechanics in a cursed realm of forgotten cities, blood-soaked dungeons, and desecrated monuments.

    2016ActionIndieRPG17.99 USDDeck VerifiedSteam ↗
  5. Trinity Fusion

    WHY THIS

    Shares an atmospheric mood with Source of Madness.

    Ranked #5 for Source of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action with Source of Madness.

    Three fractured realities. One collapsing multiverse. Fast, fluid combat in a dark sci-fi Roguevania where each run begins in a separate universe — then lets you fuse your parallel selves, powers, and worlds to create brutal, ever-evolving builds.

    2023ActionIndieRPG19.99 USDDeck VerifiedSteam ↗
  6. Dead Cells

    WHY THIS

    Shares procedural generation with Source of Madness.

    Ranked #6 for Source of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action with Source of Madness.

    Dead Cells is a roguelite, metroidvania inspired, action-platformer. You'll explore a sprawling, ever-changing castle... assuming you’re able to fight your way past its keepers in 2D souls-lite combat. No checkpoints. Kill, die, learn, repeat.

    2018ActionIndieAdventure24.99 USDDeck VerifiedSteam ↗
  7. Morbid: The Seven Acolytes

    WHY THIS

    Shares an atmospheric mood with Source of Madness.

    Ranked #7 for Source of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action with Source of Madness.

    Morbid: The Seven Acolytes is a Horrorpunk Action RPG filled with Lovecraftian horrors and Cronenbergian gore, making it the most gruesome take on the isometric Souls-like genre yet!

    2020ActionIndieAdventure24.99 USDDeck VerifiedSteam ↗
  8. Death's Gambit: Afterlife

    WHY THIS

    Shares an atmospheric mood with Source of Madness.

    Ranked #8 for Source of Madness fans by collaborative filtering across millions of Steam libraries. Shares Action with Source of Madness.

    Death's Gambit: Afterlife is a challenging 2D action platformer with deep RPG elements. As an agent of Death bound to his service, unravel the mystery of Siradon and discover the true price of immortality.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

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

  1. Terraria

    WHY THIS

    Priced ~50% under Source of Madness on Steam right now. Shares Action with Source of Madness.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  2. Lethal Company

    WHY THIS

    Priced ~50% under Source of Madness on Steam right now. Shares Action with Source of Madness.

    A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

    2023ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  3. Left 4 Dead 2

    WHY THIS

    Priced ~50% under Source of Madness on Steam right now. Shares Action with Source of Madness.

    Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

    2009Action9.99 USDDeck VerifiedSteam ↗
  4. People Playground

    WHY THIS

    Priced ~50% under Source of Madness on Steam right now. Shares Action with Source of Madness.

    Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

    2019ActionIndieSimulation9.99 USDDeck PlayableSteam ↗
  5. Portal 2

    WHY THIS

    Priced ~50% under Source of Madness on Steam right now. Shares Action with Source of Madness.

    The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

    2011ActionAdventure9.99 USDDeck VerifiedSteam ↗
  6. Fallout: New Vegas

    WHY THIS

    Priced ~50% under Source of Madness on Steam right now. Shares Action with Source of Madness.

    Welcome to Vegas. New Vegas. Enjoy your stay!

    2010ActionRPG9.99 USDDeck PlayableSteam ↗
  7. Vampire Survivors

    WHY THIS

    Priced ~75% under Source of Madness on Steam right now. Shares Action with Source of Madness.

    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 ↗
  8. R.E.P.O.

    WHY THIS

    Priced ~65% under Source of Madness on Steam right now. Shares Action with Source of Madness.

    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 ↗

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. Shares Action with Source of Madness.

    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 Action with Source of Madness.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  3. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Source of Madness.

    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 ↗
  4. Star Fetchers

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Source of Madness.

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

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗
  5. Magic Archery

    WHY THIS

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

    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. Eternal Senia

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Source of Madness.

    Thoughts and expectations ARPG

    2015ActionIndieRPGFreeDeck PlayableSteam ↗
  7. Dagon: by H. P. Lovecraft

    WHY THIS

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

    Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.

    2021IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  8. Disfigure

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Source of Madness.

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck 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. Salt and Sacrifice

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Source of Madness.

    Join your fellow Marked Inquisitors in this online coop successor to award-winning 2016 Soulslike Salt and Sanctuary.

    2023ActionRPG19.99 USDDeck VerifiedSteam ↗
  2. ENDER LILIES: Quietus of the Knights

    WHY THIS

    Shares an atmospheric mood with Source of Madness.

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Source of Madness.

    ENDER LILIES is a dark fantasy 2D action RPG about unraveling the mysteries of a destroyed kingdom. On this sorrowful journey, encounter horrific enemies against whom a moment of inattention could be fatal. Overcome these hardships and seek the truth with the help of fallen knights.

    2021ActionIndieRPG9.99 USDDeck VerifiedSteam ↗
  3. Salt and Sanctuary

    WHY THIS

    Shares an atmospheric mood with Source of Madness.

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Source of Madness.

    Explore a haunting, punishing island in this stylized 2D action RPG. Salt and Sanctuary combines fast and brutal 2D combat with richly developed RPG mechanics in a cursed realm of forgotten cities, blood-soaked dungeons, and desecrated monuments.

    2016ActionIndieRPG17.99 USDDeck VerifiedSteam ↗
  4. Trinity Fusion

    WHY THIS

    Shares an atmospheric mood with Source of Madness.

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Source of Madness.

    Three fractured realities. One collapsing multiverse. Fast, fluid combat in a dark sci-fi Roguevania where each run begins in a separate universe — then lets you fuse your parallel selves, powers, and worlds to create brutal, ever-evolving builds.

    2023ActionIndieRPG19.99 USDDeck VerifiedSteam ↗
  5. Dead Cells

    WHY THIS

    Shares procedural generation with Source of Madness.

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Source of Madness.

    Dead Cells is a roguelite, metroidvania inspired, action-platformer. You'll explore a sprawling, ever-changing castle... assuming you’re able to fight your way past its keepers in 2D souls-lite combat. No checkpoints. Kill, die, learn, repeat.

    2018ActionIndieAdventure24.99 USDDeck VerifiedSteam ↗
  6. Morbid: The Seven Acolytes

    WHY THIS

    Shares an atmospheric mood with Source of Madness.

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Source of Madness.

    Morbid: The Seven Acolytes is a Horrorpunk Action RPG filled with Lovecraftian horrors and Cronenbergian gore, making it the most gruesome take on the isometric Souls-like genre yet!

    2020ActionIndieAdventure24.99 USDDeck VerifiedSteam ↗
  7. Death's Gambit: Afterlife

    WHY THIS

    Shares an atmospheric mood with Source of Madness.

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Source of Madness.

    Death's Gambit: Afterlife is a challenging 2D action platformer with deep RPG elements. As an agent of Death bound to his service, unravel the mystery of Siradon and discover the true price of immortality.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗

Frequently asked about Source of Madness

Is Source of Madness verified for Steam Deck?
Yes — Source of Madness is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
How much does Source of Madness cost?
Source of Madness is listed on Steam at 19.99 USD (current store price; Steam sales may reduce this temporarily).
Does Source of Madness have multiplayer or co-op?
Yes — Source of Madness supports multi-player play according to its Steam store listing (Multi-player, Shared/Split Screen PvP, PvP).
What games are most similar to Source of Madness?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Source of Madness are Salt and Sacrifice, Kingdoms And Slaves, ENDER LILIES: Quietus of the Knights.
Who developed Source of Madness?
Source of Madness was developed by Carry Castle and published by Thunderful Publishing.

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 Source of Madness.

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

31 Games Like Source of Madness — Ranked for 2026 · imho.run