Steam Support
An error occurred trying to handle that request. Please give us a few minutes and try again.
Steam Support
Sign in to get personalized help for The Dark Queen of Mortholme.
We're sorry to hear you are having trouble with this game.
Here is information from the Store and Community that we hope will help you find a solution.
Support for this product is provided by:
Official Support
Email: contact@monstertheater.games
Publisher
Developer
Interface Full Audio Subtitles
English
Italian
Spanish - Spain
Portuguese - Brazil
Russian
Spanish - Latin America
Galician
French
Portuguese - Portugal
Turkish
See all 10 supported languages
Title: The Dark Queen of Mortholme
Genre: Action, Casual, Indie
Developer: Mosu
Publisher: Monster Theater
Release Date: Aug 15, 2025
Steam Community Discussions   View All
Community discussions offer a place where you can talk with other users who play the game, and suggest solutions to any problems. Game developers often monitor these discussions to look for issues.

System Requirements

Windows
SteamOS + Linux
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS *: Windows XP, Vista, 7, 8, 10, and 11
    • Memory: 2 GB RAM
    • Graphics: 128 MB
    • Storage: 200 MB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS *: Windows XP, Vista, 7, 8, 10, and 11
    • Processor: 2GHZ+
    • Memory: 3 GB RAM
    • Graphics: 512 MB
    • Storage: 200 MB available space
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    Minimum:
    • OS: It should run fine on any Linux OS that can run something like Undertale.
    • Memory: 2 GB RAM
    • Storage: 200 MB available space
    Recommended:
    • OS: It should run fine on any Linux OS that can run something like Undertale.
    • Memory: 2 GB RAM
    • Storage: 200 MB available space