IMHO.

Games like Mortal Sin

If Mortal Sin is your kind of game, the closest matches are Slasher's Keep, Death Must Die and Darkblade Ascent — picked from the ranked list below. Reviewers single out its atmospheric, challenging and epic. 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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Mortal Sin is a first-person action roguelike set in dark fantasy, featuring hard and long gameplay designed for solo players seeking a challenge. The game incorporates class-synergy, limb-targeting-combos, and a loot-rarity-system alongside the blitz-mode, an oaths-system, and platforming-segments to create layered combat and progression. Players describe the atmosphere as atmospheric and epic, with intense combat encounters that feel visceral during limb-targeting combos. Reviewers highlight how blitz-mode adds daily replayability, while the classes synergize uniquely with different weapons. The title holds a 95% positive rating from over 4500 Steam reviews and runs verified on Steam Deck, offering portable access to its demanding combat loop.

About Mortal Sin: Mortal Sin is a chaotic, blood-soaked roguelike where skill is power, and overconfidence is death. Carve through procedurally generated nightmares with brutal melee and flashy, satisfying combos.

2025ActionIndieRPG24.99 USDDeck VerifiedWindowsby Nikola Todorovic
Mortal Sin — Steam game cover
Players highlight
Blitz mode adds daily replayabilityClasses synergize uniquely with weaponsDeveloper actively improves the gameAtmosphericChallengingEpic

Players who liked Mortal Sin also play

Steam players who put hours into Mortal Sin 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. Slasher's Keep

    WHY THIS

    Shares a challenging mood with Mortal Sin.

    Top pick for Mortal Sin fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Sin.

    Hack, slash, shoot and loot your way through procedurally generated dungeons! Smack your enemies into spikes with your inventory sack!

    2020ActionIndieRPG13.99 USDDeck PlayableSteam ↗
  2. Death Must Die

    WHY THIS

    Shares an atmospheric mood with Mortal Sin.

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

    Descend the nether in search of Death himself! Choose from God-given powers to slay his hordes of minions. Unlock new heroes, collect powerful items and create game-breaking synergies in this roguelite hack and slash survivors game.

    2023ActionIndieRPG6.99 USDDeck PlayableSteam ↗
  3. Darkblade Ascent

    WHY THIS

    Shares an atmospheric mood with Mortal Sin.

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

    Fast paced First-Person Melee Roguelike RPG with randomly generated weapons and upgrades, unlockable new classes and persistent leveling. Hack and slash your way through atmospheric dark fantasy locations, unique monsters and bosses.

    2025ActionIndieRPG10.99 USDDeck VerifiedSteam ↗
  4. Halls of Torment

    WHY THIS

    Shares an atmospheric mood with Mortal Sin.

    Ranked #4 for Mortal Sin fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Sin.

    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. Into the Necrovale

    WHY THIS

    Shares an atmospheric mood with Mortal Sin.

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

    Into the Necrovale is an Action RPG in which you collect powerful items that interact with one another. You must be clever with your build if you hope to pierce the mysteries and dangers of the Necrovale, where a thousand generations of miscreants and criminals have been banished.

    2024ActionIndieAdventure14.99 USDDeck PlayableSteam ↗
  6. Striving for Light

    WHY THIS

    Shares a challenging mood with Mortal Sin.

    Ranked #6 for Mortal Sin fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Sin.

    Blending deep Action RPG buildcrafting with roguelite action, Striving for Light lets you shape and customize an infinite skilltree. Hunt for powerful loot, craft and upgrade weapons to legendary power, slay hordes of enemies and challenging bosses in ever-changing dark worlds.

    2025ActionIndieAdventure12.59 USDDeck VerifiedSteam ↗
  7. Space Hack

    WHY THIS

    Shares a challenging mood with Mortal Sin.

    Ranked #7 for Mortal Sin fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Sin.

    Space Hack is an isometric action RPG set in space, featuring fast-paced hack-and-slash combat, loot progression, and dozens of levels to explore aboard a doomed colony ship.

    2014ActionIndieRPG4.99 USDSteam ↗
  8. VOIN

    WHY THIS

    Shares an atmospheric mood with Mortal Sin.

    Ranked #8 for Mortal Sin fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Mortal Sin.

    Crafted by a solo developer, VOIN is a first-person hack-and-slash. Cleave through hordes of enemies in fast-paced combat. Explore dark fantasy realms filled with secrets and dangers. Discover powerful gear and weapons, and face menacing bosses in your quest to cleanse a broken world.

    2024ActionIndieAdventure13.99 USDDeck PlayableSteam ↗

Reviewers mention these as similar to Mortal Sin

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. Wolfenstein: The New Order

    WHY THIS

    Shares an epic mood with Mortal Sin.

    Reviewers of Mortal Sin cross-mention this title as a similar play. Shares Action with Mortal Sin.

    Wolfenstein®: The New Order reignites the series that created the first-person shooter genre. Wolfenstein offers a deep game narrative packed with action, adventure and first-person combat.

    2014Action19.99 USDDeck VerifiedSteam ↗
  2. Warhammer: End Times - Vermintide

    WHY THIS

    Shares an atmospheric mood with Mortal Sin.

    Reviewers of Mortal Sin cross-mention this title as a similar play. Shares Action and Indie with Mortal Sin.

    Vermintide is an epic co-operative action combat adventure set in the End Times of the iconic Warhammer Fantasy world.

    2015ActionIndie29.99 USDDeck PlayableSteam ↗
  3. Street Fighter V

    WHY THIS

    Shares an epic mood with Mortal Sin.

    Reviewers of Mortal Sin cross-mention this title as a similar play. Shares Action with Mortal Sin.

    Experience the intensity of head-to-head battles with Street Fighter® V! Choose from 16 iconic characters, then battle against friends online or offline with a robust variety of match options.

    2016Action19.99 USDDeck PlayableSteam ↗
  4. DOOM

    WHY THIS

    Shares an epic mood with Mortal Sin.

    Reviewers of Mortal Sin cross-mention this title as a similar play. Shares Action with Mortal Sin.

    Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.

    2016Action19.99 USDDeck VerifiedSteam ↗
  5. Divinity: Original Sin 2 - Definitive Edition

    WHY THIS

    Shares a challenging mood with Mortal Sin.

    Reviewers of Mortal Sin cross-mention this title as a similar play. Shares RPG with Mortal Sin.

    The critically acclaimed RPG that raised the bar, from the creators of Baldur's Gate 3. Gather your party. Master deep, tactical combat. Venture as a party of up to four - but know that only one of you will have the chance to become a God.

    2017StrategyAdventureRPG44.99 USDDeck VerifiedSteam ↗
  6. Dead Cells

    WHY THIS

    Shares a challenging mood with Mortal Sin.

    Reviewers of Mortal Sin cross-mention this title as a similar play. Shares Action and Indie with Mortal Sin.

    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. Hades

    WHY THIS

    Shares an epic mood with Mortal Sin.

    Reviewers of Mortal Sin cross-mention this title as a similar play. Shares Action and Indie with Mortal Sin.

    Defy the god of the dead as you hack and slash out of the Underworld in this rogue-like dungeon crawler from the creators of Bastion, Transistor, and Pyre.

    2020ActionIndieRPG24.99 USDDeck VerifiedSteam ↗
  8. Post Void

    WHY THIS

    Shares an intense mood with Mortal Sin.

    Reviewers of Mortal Sin cross-mention this title as a similar play. Shares Action and Indie with Mortal Sin.

    Post Void is a hypnotic scramble of early first-person shooter design that values speed above all else. Keep your head full and reach the end; Kill what you can to see it mend; Get the high score or try again.

    2020ActionIndie2.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

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

  1. Terraria

    WHY THIS

    Priced ~60% under Mortal Sin on Steam right now. Shares Action and Indie with Mortal Sin.

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

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  2. Garry's Mod

    WHY THIS

    Priced ~80% under Mortal Sin on Steam right now. Shares Indie with Mortal Sin.

    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 ↗
  3. Lethal Company

    WHY THIS

    Priced ~60% under Mortal Sin on Steam right now. Shares Action and Indie with Mortal Sin.

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

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

    WHY THIS

    Priced ~60% under Mortal Sin on Steam right now. Shares Action with Mortal Sin.

    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 ↗
  5. People Playground

    WHY THIS

    Priced ~60% under Mortal Sin on Steam right now. Shares Action and Indie with Mortal Sin.

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

    2019ActionIndieSimulation9.99 USDDeck PlayableSteam ↗
  6. Portal 2

    WHY THIS

    Priced ~60% under Mortal Sin on Steam right now. Shares Action with Mortal Sin.

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

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

    WHY THIS

    Priced ~60% under Mortal Sin on Steam right now. Shares Action and RPG with Mortal Sin.

    Welcome to Vegas. New Vegas. Enjoy your stay!

    2010ActionRPG9.99 USDDeck PlayableSteam ↗
  8. Undertale

    WHY THIS

    Priced ~60% under Mortal Sin on Steam right now. Shares Indie and RPG with Mortal Sin.

    UNDERTALE! The RPG game where you don't have to destroy anyone.

    2015IndieRPG9.99 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. Shares Indie with Mortal Sin.

    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. Ultimate Custom Night

    WHY THIS

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

    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 and Indie with Mortal Sin.

    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. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Mortal Sin.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  5. Counter-Strike:Global Offensive

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Mortal Sin.

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableSteam ↗
  6. Awaria

    WHY THIS

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

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

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  7. Grimm's Hollow

    WHY THIS

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

    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 ↗
  8. Iron Snout

    WHY THIS

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

    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 ↗

Plays great on Steam Deck

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

  1. Darkblade Ascent

    WHY THIS

    Shares an atmospheric mood with Mortal Sin.

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

    Fast paced First-Person Melee Roguelike RPG with randomly generated weapons and upgrades, unlockable new classes and persistent leveling. Hack and slash your way through atmospheric dark fantasy locations, unique monsters and bosses.

    2025ActionIndieRPG10.99 USDDeck VerifiedSteam ↗
  2. Halls of Torment

    WHY THIS

    Shares an atmospheric mood with Mortal Sin.

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

    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 ↗
  3. Striving for Light

    WHY THIS

    Shares a challenging mood with Mortal Sin.

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

    Blending deep Action RPG buildcrafting with roguelite action, Striving for Light lets you shape and customize an infinite skilltree. Hunt for powerful loot, craft and upgrade weapons to legendary power, slay hordes of enemies and challenging bosses in ever-changing dark worlds.

    2025ActionIndieAdventure12.59 USDDeck VerifiedSteam ↗

Frequently asked about Mortal Sin

Is Mortal Sin verified for Steam Deck?
Yes — Mortal Sin 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 Mortal Sin cost?
Mortal Sin is listed on Steam at 24.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Mortal Sin?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Mortal Sin are Slasher's Keep, Death Must Die, Darkblade Ascent.
Who developed Mortal Sin?
Mortal Sin was developed by Nikola Todorovic.

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 Mortal Sin.

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