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Preview
Activation
Steam
Region
Worldwide
French
not available
Release
16 Jul 2025

Demonic Mahjong

Standard Edition
Steam Worldwide Digital key
List price €16.00 Market price €6.29
€5.29 −16 %
≈ $5.81 0.000089 BTC 5.81 USDT
PC key
To activate on Steam · Worldwide

About the game

Welcome to join our game discord community:

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, also not Mahjong,you can enjoy it without knowing how to play 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 Deck-Building 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!

Navigate to the deepest underworld by carefully choosing your path!

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! (≧▽≦)

Single-playerSteam AchievementsSteam CloudFamily Sharing

Product details

Developer
Boxed Lighting Games
Publisher
NPC Entertainment, Omegames Studio
Release date
16 July 2025
Genre
Strategy
Languages
4 languages
Platform
Steam
Activation
Steam
Region
Worldwide
Languages in detail
InterfaceAudioSubtitles
English·
Japanese
Chinese (Simplified)
Chinese (Traditional)·

System requirements

Minimum
OSWindows 10
ProcessorAMD Ryzen 5 5600X 6-Core Processor
Memory8 GB RAM
GraphicsNvidia GTX 1660 Ti
NetworkBroadband Internet connection
Storage4 GB available space
Minimum
OSMac Monterey
ProcessorDual Core 2 GHz
Memory8 GB RAM
Storage8 GB available space
Activation

Activate on Steam

  1. 1Install Steam and log in
  2. 2Games menu › Activate a product on Steam
  3. 3Paste the key from your email or order page
  4. 4The game appears in your library: download it
Usable in every country. Do not use a VPN when activating.
Detailed guide

Steam reviews

Very positive
331 reviews on Steam
Source: Steam. Summary of all player reviews on the Steam store.

Crypto2Key customer reviews

No review yet. Only customers who bought this product can leave a review, once their key has been delivered.

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