What is Mortal Sin?
Mortal Sin is a first-person action roguelike set in a surreal, dark-fantasy nightmare. You fight through procedurally generated dungeons, chain melee attacks, take on randomized quests, and unlock classes with different weapons and abilities for later runs.
For you if...
- +you like fast melee combat and chaining attacks
- +you want repeatable dungeon runs with changing layouts
- +you enjoy trying classes with different weapons and abilities
Not for you if...
- −you dislike memorizing and entering combat combos
- −you want levels with fixed layouts and quests
- −you prefer slower combat to fighting hordes of enemies
What players say
94% of 5,888 reviews are positive · 66% of 18 in the last 30 days
Players praise the fast, bloody combat, distinct classes, and visual style. The most common complaints are awkward combo inputs and repetitive runs; some longtime players dislike changes to the combat system.
Screenshots and trailer
Mortal Sin system requirements
As published by the developer.
Minimum
- OS
- Microsoft Windows 7
- Processor
- Intel Core i5-2500K
- Graphics
- GeForce GTX 670
- Memory
- 8 GB RAM
- Storage
- 3 GB available space
- DirectX
- Version 11
Recommended
- OS
- Microsoft Windows 10
- Processor
- Intel Core i5-6600K
- Graphics
- GeForce GTX 1060
- Memory
- 8 GB RAM
- Storage
- 3 GB available space
- DirectX
- Version 11
PC version details
DRM, required accounts, controller support and Steam features.
- DRM
- None declared on Steam
- Controller
- Full controller support
- Platforms
- Windows
- Achievements
- 47
- Steam features
- Cloud saves, Family Sharing
Steam Deck: Verified
- All functionality is accessible with the default controller configuration
- Shows Steam Deck controller icons
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
Multiplayer and co-op
Languages
Text only: English, Russian, Simplified Chinese, French, Spanish - Spain, German, Japanese, Korean, Polish, Portuguese - Brazil.
Tags
- First-Person
- Action Roguelike
- Dungeon Crawler
- Hack and Slash
- RPG
- Indie
- Action
- Dark Fantasy
- Roguelite
- Procedural Generation
- Roguelike
- Singleplayer
- Loot
- Horror
- Gore
- Violent
Recent updates
- Dec 18, 2025 · Final Boss Flow Update
- Oct 27, 2025 · Remnants of Sin Update
- Sep 29, 2025 · Skins of Sin Update
- Sep 1, 2025 · Hotfixes 8/31
- Aug 29, 2025 · Mortal Sin – Version 1.0 Release
1 DLC available.
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