Demonic Mahjong is a Roguelike deckbuilding game inspired by the timeless mechanics of Mahjong. Masterfully use the tiles in your hand to craft powerful combinations, reach staggering high scores, and develop strategies that are uniquely your own!
It’s Mahjong, but not just Mahjong
Scoring follows basic Mahjong rules, so if you know how to play Mahjong, you’re already halfway there!
Roguelike gameplay is seamlessly integrated into the Mahjong foundation. Find your best strategy to win big!
It’s not just about getting high scores; the key is to find a way to defeat the boss!
Deep Mahjong Strategy
100 unique spirit allies, each capable of helping you form distinctive strategies or completely changing your core gameplay.
100 relics provide powerful buffs and permanent growth throughout your journey.
35 offerings grant special abilities, allowing you to manipulate your hand/deck and even improve your "luck."
17 tile spirits and 12 tile variants enhance your Mahjong tiles, enabling you to unleash even more powerful effects.
Build Your Ultimate Underworld Team
Each character has their own unique [Active Skill] and [Passive Skill].
Build powerful tile combinations around characters to form unique strategies and core gameplay styles.
Every character can upgrade their skill levels, and a character affinity system is also planned!
Unique Event System
How about a cup of Forgetful Tea at Granny Meng’s Tea House? Or maybe helping a shy ghost with her request?
10 regular events and 90 special events make every Mahjong journey full of surprises.
Your actions and choices in these events will have a significant impact on the subsequent battles.
Diverse Boss Battles
Accompanying you on each journey through the underworld are 24 unique bosses, including Granny Meng, Ox-Head and Horse-Face, and the Four Judges.
Each boss has their own active and passive skills. Study them to find your path to victory!
Whether you lose to them or defeat them, special animations will celebrate the moment!
windows Minimum
OS: Windows 10
Processor: AMD Ryzen 5 5600X 6-Core Processor
Memory: 8 GB RAM
Graphics: Nvidia GTX 1660 Ti
Storage: 4 GB available space
Network: Broadband Internet connection
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-01-16
Winter is the Perfect Time to Get Some Extra YXP
Winter season is much better with more games to play, so let’s kick-off 2026 with a storewide promotion bang and YXP level-ups then, shall we? For the first promo campaign this year we have prepared some incredible price drops and offers that you simply can’t miss out on! For the very short duration of only 3 days, you will have the opportunity to earn 50 extra YXP points in your account by making an order over 10€ …
Dive into Adrenaline-Fueled Battles in Code Vein II
We are starting the year with a review for a title that is ready to hit the market hard, because Code Vein II is the upcoming sequel to the 2019 soulslike Action RPG developed by Bandai Namco Studios. The game’s Steam page is already getting a lot of attention and for those of you looking to find out what is new in the gameplay and storyline compared to the original title, well… you are at the right place!
