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Watch trailer on Steam ↗Demon Castle Story
Kairosoft Co.,Ltd · Published by Kairosoft Co.,Ltd
Very Positive — 81% positive (303 reviews) · 18 achievements
Last updated 28 Sept 2026
Demon Castle Building Dungeon Management Simulation
£10.99
Lowest price we've ever recorded
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Price history
Indie, RPG, Simulation, Strategy, Casual · 2026 · More £5 - £15 games
Embark on a unique journey where you design and control a demon fortress, blending RPG elements with simulation and strategy. Experience the challenges of managing your own virtual realm in Demon Castle Story by Kairosoft Co., Ltd.
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!
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System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64bit
- Processor: Intel Atom® x7-Z8750
- Memory: 1 GB RAM
- DirectX: Version 10
- Storage: 250 MB available space
Recommended
- Requires a 64-bit processor and operating system
Supported Languages
Latest news
Patch NotesOfficial
Update: Event Skip Feature & UI Improvements
1. You can now skip certain event scenes. 2. Changed the dungeon level-up pop-up window to a notification message. 3. Changed the Demon King's magic power increase notification pop-up to a notification message. 4. Adjusted the layout of the monster recruitment screen.Read full article on Community Announcements (yoda)






