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The Dark Queen of Mortholme Comes to Xbox on 3 December, and You’re the Final Boss

The Dark Queen of Mortholme launches on Xbox on 3 December for £4.29 / $4.99. You play the final boss as a Hero keeps coming back stronger.

The Dark Queen of Mortholme key art: the crowned Dark Queen with flowing blue hair beside the game's logo on a crimson background
The Dark Queen of Mortholme launches on Xbox on 3 December. Image: Monster Theater

The Dark Queen of Mortholme launches on Xbox on 3 December 2026. It’s a short pixel-art action game that flips the hero’s journey around: you play the final boss, and the Hero just keeps coming back.

It’s available to pre-order now for £4.29 / $4.99, and it’s an Xbox Play Anywhere title, so it covers Xbox Series X|S and Xbox on PC. Publisher Monster Theater says it will be discounted for its first seven days.

You are the Dark Queen

As the Dark Queen, the most powerful being in your universe, beating the Hero who invades your domain is easy. The trouble is that death doesn’t stop them. They climb the stairs to your throne room again and again, growing stronger every time, and you start to suspect that while their defeat is inevitable, yours might be too.

You fight with the Dark Queen’s ever-evolving set of attacks, and your choices shape an unconventional relationship with your opponent. There are multiple outcomes, and the game is designed to be beaten in a single sitting.

From solo project to console

The game comes from solo developer Mosu and first launched in 2025, picking up an Indie Game Award nomination. Monster Theater worked with Mosu on the console release, adding achievements, multiple languages and bug fixes.

“We saw something special in The Dark Queen of Mortholme and wanted to help bring it to a larger audience. Working with Mosu to expand the game’s reach has been eye-opening.”

Eldar, founder of Monster Theater

The Dark Queen of Mortholme on Xbox

  • Release: 3 December 2026
  • Platforms: Xbox Series X|S and Xbox on PC (Xbox Play Anywhere)
  • Price: £4.29 / $4.99, pre-order now
  • Game Pass: not included
  • Players: single player
  • Age rating: PEGI 7
  • Developer: Mosu
  • Publisher: Monster Theater
  • Store: Microsoft Store

For the full rundown, read everything we know about The Dark Queen of Mortholme, and find all our coverage on The Dark Queen of Mortholme hub.

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Written by

Duncan Baxter

Duncan Baxter runs Cloudy with Games and its YouTube channel from the UK. He covers Xbox news, what's joining and leaving Game Pass, Play Anywhere & Cloud support, and which games are actually worth your time. The Xbox 360 got him back into gaming, and he's been happily losing evenings to cosy games and Assassin's Creed ever since. Find him on YouTube and X at @cloudywithgames.