Demonic Mahjong
Mahjong-based roguelike deckbuilding with modified tiles and underworld boss battles
Boxed Lighting Games · Published by Omegames Studio, NPC Entertainment · Released Jul 15, 2025
- Reviews
- Overwhelmingly Positive
- 95% of 4,014
- Recent reviews
- Very Positive
- 82% of 29 in 30 days
- Players
- 156
- daily peak, Oct 28, 2026
- Steam Deck
- Playable
- Last update on Steam
- 1 month ago
- Aug 31, 2026
What is Demonic Mahjong?
This single-player strategy game takes you through the underworld in branching runs. You form scoring hands using basic mahjong rules, recruit spirit allies, collect relics, and upgrade tiles. Characters have active and passive skills, while choices during events affect later battles.
For you if...
- +you enjoy experimenting with different strategies across repeated runs
- +you prefer solo play with choices about your route
Not for you if...
- −you want traditional mahjong without rule-changing powers
What players say
95% of 4,014 reviews are positive · 82% of 29 in the last 30 days
Players praise the build variety and score-multiplying combinations, often comparing the game to Balatro. Onboarding draws mixed reactions: some say they learn as they play, while others criticize rushed tutorials and unclear descriptions.
Screenshots and trailer
Demonic Mahjong system requirements
Minimum: GTX 1660 Ti, 8 GB RAM, 4 GB of disk space.
As published by the developer.
Can my PC run Demonic Mahjong?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 10
- Processor
- AMD Ryzen 5 5600X 6-Core Processor
- Graphics
- Nvidia GTX 1660 Ti
- Memory
- 8 GB RAM
- Storage
- 4 GB available space
Recommended
Requires a 64-bit processor and operating system
Does Demonic Mahjong have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Demonic Mahjong run on Steam Deck?
Playable Playable: it runs on Steam Deck with some adjustments.
- Sometimes shows mouse, keyboard or non-Deck controller icons
- Some text entry requires manually opening the on-screen keyboard
- Some in-game text is small and may be hard to read
- All functionality is accessible with the default controller configuration
- Default graphics settings perform well on Steam Deck
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows, macOS
- Achievements
- 148
- Steam features
- Cloud saves, Family Sharing
- Languages
- Full audio: Simplified Chinese, Japanese. Text only: English, Traditional Chinese.
Does Demonic Mahjong use AI-generated content?
Yes. The developers disclose AI-generated content on the game's Steam page:
During the conceptual design and demo stages, the game utilized AI for some creative ideation, and AI was also employed for preliminary creation in certain auxiliary systems such as icons, animations, and special effects.
The statement mentions: Art
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam
Tags
- Strategy
- Card Game
- Roguelike
- Tabletop
- Casual
- 3D
- Mahjong
- Deckbuilding
- Relaxing
- Funny
- Sexual Content
- Cartoony
- Anime
- Fantasy
- Singleplayer
- Comedy
Recent updates
- Aug 31, 2026 · Demonic Mahjong 26.8.31 Update Notes
- Aug 7, 2026 · August 7 Update
- Jul 30, 2026 · Fix for Ditin Match Freezes and Solution to Missing Saves for Returning Players
- Mar 23, 2026 · March 23 Update: Bug fixes
- Mar 7, 2026 · Update on March 7: fixed a series of bugs on recent version
2 DLC available.
