Demon Castle Story
Kairosoft Co.,Ltd
About this game
- Age 10
- Updated Mar 18, 2026
- OS IOS
Editor reviews
Rule a growing demon stronghold in a story-driven simulation RPG. Build your fortress room by room, recruit monstrous allies, and repel bold heroes while uncovering the secrets of your dark domain. Every decision shapes your castle’s culture, alliances, and the fate of the underworld. Strategic base building blends with character-driven progression, letting you craft traps, research sinister magic, and lead squads into tense, tactical encounters. Choose your leadership style, forge pacts with shadowy factions, and write a Demon Castle story that is uniquely yours.
Screenshots
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How to play:
Build and expand your castle by placing rooms, traps, and facilities to produce resources and secure key choke points.
Recruit demons, beasts, and undead; assign them roles as guards, crafters, researchers, and scouts to optimize your domain.
Explore surrounding regions to gather rare materials, discover lore, and find elite recruits while balancing risk and reward.
Battle invading heroes using tactical positioning, skill combos, and environmental advantages from your handcrafted defenses.
Upgrade the Overlord and companions through skill trees, equipment forging, and artifact infusion to unlock powerful synergies.
Shape the narrative with choices that affect factions, unlock technologies, alter events, and lead to multiple endings.