Game · Monster Theater
The Dark Queen of Mortholme
- Steam Deck Verified
You are the final boss, the Dark Queen of Mortholme, unrivaled in power. A hero invades and is easily crushed. Yet, they keep returning. A short-form indie game about an unusual bond, perspectives, and the beauty of change.
Before you buy
- Redeem on
- Steam clientPC: Windows, Linux. Needs a free Steam account.
- Activates in
- Europe and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom.Activates on accounts registered in the EU, EEA, Switzerland and the United Kingdom.Will not activate on accounts registered in North America, Asia, Latin America or Oceania.
- You get
- A digital activation keyStandard edition. No disc, no box.
- Delivery
- To your account and by emailDelivered to your account and by email once it is ready. Some orders get a short manual check first.
Trailers and screenshots
About this game
Change is inevitable
Experience a macabre, short-form, second-person indie, you play as The Dark Queen of Mortholme, the final barrier between the Hero and the end credits.
In this fixed-screen pixel art game, use the Queen's attacks against this hero, slay them, and quell this nuisance once and for all.
But, wait. How is this possible? The Hero keeps coming back.
Multiple Endings
Depending on your dialogue choices, the story will play out differently. Will you see the Hero's point of view, or continue ruling as the Queen Everlasting?
Features
Unleash Queenly Chaos: Wield the ever-evolving arsenal of the Dark Queen’s most devastating attacks.
A Relentless Foe: Face a persistent Hero in a final showdown to end all final showdowns.
Handcrafted Pixel Art: Painstakingly designed for impeccable game feel.
A Haunting Score: Fall into the tones of the Dark Queen’s domain.
Conquer and Collect: Unlock Steam Achievements as you slay this annoying hero!
A Challenge Worth Finishing: Designed to be beaten in a single, emotional sitting.
Description, images and details are taken from this product's Steam page.
Details
- Developer
- Mosu
- Publisher
- Monster Theater
- Released
- 15 Aug, 2025
- Genres
- Action, RPG, Indie, Casual
- Runs on
- Windows, Linux
- Activates on
- Steam client, Europe and UK
- Interface
- English, Italian, Spanish - Spain, Portuguese - Brazil, Russian, Spanish - Latin America, Galician, French, Portuguese - Portugal, Turkish, German, Japanese, Korean, Simplified Chinese
- Full audio
- English, Italian, Spanish - Spain, Portuguese - Brazil, Russian, Spanish - Latin America, Galician, French, Portuguese - Portugal, Turkish, German, Japanese, Korean, Simplified Chinese
- Controller
- Full controller support
- Single-player
- Steam Achievements
- Full controller support
- Steam Trading Cards
- Gamepad Recommended
- DualShock Controller Support
- DualShock Controller Support
- DualSense Controller Support
- DualSense Controller Support
- Steam Input API Support
- Remote Play on TV
- Family Sharing
System requirements
Windows
- Requires a 64-bit processor and operating system
| Component | Minimum | Recommended |
|---|---|---|
| OS | Windows XP, Vista, 7, 8, 10, and 11 | Windows XP, Vista, 7, 8, 10, and 11 |
| Memory | 2 GB RAM | 3 GB RAM |
| Graphics | 128 MB | 512 MB |
| Storage | 200 MB available space | 200 MB available space |
| Processor | 2GHZ+ |
Linux / SteamOS
| Component | Minimum | Recommended |
|---|---|---|
| OS | It should run fine on any Linux OS that can run something like Undertale. | It should run fine on any Linux OS that can run something like Undertale. |
| Memory | 2 GB RAM | 2 GB RAM |
| Storage | 200 MB available space | 200 MB available space |
Activating it on Steam client
- Open the Steam client and sign in.
- Choose Games in the top menu, then Activate a Product on Steam.
- Paste the key and confirm. It appears in your library.
The key is listed for the Europe and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom. region. Read how regions work before you buy.