Demon Castle Story

7.01K reviews
Content rating
PEGI 7
50K+
Downloads
Content rating
PEGI 7
Mild Violence
Learn more
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About this game

A management simulation in which you take an old, run-down castle and turn it into a dastardly demon stronghold! Recruit unique monsters as your minions and vanquish adventurers who dare to enter your realm!

Install gargoyles, ritual altars, and other devilish decor to boost your castle's mystique and attract more monsters your way. Gift them food and other items to help them grow, and garner their support to fend off pesky adventurers.

You can also send your monster minions out to explore nearby dungeons and towns. They'll bring you back items and other loot, and maybe even some new allies!

As you progress, you can also start merging monsters together to make new ones.

And don't forget traps—essential equipment for proper castle defense! Develop a range of traps like sleep-inducing gas and heavy washbowls to thwart any who cross the threshold of your demonic haven! By placing and combining traps in imaginative ways, you can make your fortress of fiendishness virtually impregnable!

Fend off attacks from mighty adventurers and keep your minions sweet to become the biggest and baddest demon overlord of all time!

Search "Kairosoft" to see our other games. https://kairopark.jp
We've got a whole range of free and one-time-purchase games to enjoy, many of which might feel familiar!
This is the Kairosoft 2D pixel art game series.

Follow us on X (formerly Twitter) for all the latest news! https://twitter.com/kairokun2010
Demon Castle Building Dungeon Management Simulation
Updated on
Jun 17, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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Ratings and reviews

6.76K reviews
Margaret
January 30, 2026
Kairosoft continues to give people what they actually want: a paid game with no ads, no microtransactions, no cooldown timers, no manipulative "but you'll lose your win streak if you die!" garbage, no loot crates or battle passes or other stupid predatory nonsense. Just a good solid game that's balanced to be fun, at all times, not only when you keep dishing out money. Best mobile dev out there, no contest.
11 people found this review helpful
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AJ Fubo
January 11, 2026
Overall, I think that the game's content is quite interesting and it is well able to execute the mixing of the building sim aspect and the fantasy mmo aspect. However, the end game content becomes very repetitive after a while and the game is slightly too expensive. Overall, I had fun
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Ben Bassano
July 24, 2026
Its simple but addicting. There's a few problems I have: - There is a bug with the save trap(the one that gives adventurers an extra life), there is a rare chance that it makes it so your monsters will not fight them and they go right for your treasure with no way to stop them at all. - After your first run, please add an option to disable all the tutorials and unnecessary messages. - It'd be nice if you could send out more than one explore party at a time.
1 person found this review helpful
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What’s new

Now available in English, Traditional Chinese, Simplified Chinese and Korean!