Demon Castle Story: Build Your Own Evil Stronghold

8/24/2026, 5:49:12 PM

Release date: 2/9/2026

Tags: #rpg #casual #simulation #strategy #tower-defense #colony-sim #city-builder #2d-platformer

User Reviews

Score: 80%Very Positive
Review Count: 290 reviews
Fetched At: 8/24/2026, 5:49:13 PM

Reference prices

Japan

¥ 1,500 (JPY)

Steam JP

$12.99 (USD)

Steam Global

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥ 1,500
Global Price: $12.99
Price in Your Region: ¥ 1,500Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 28 Aug 2026
Sale Status: Regular pricing
Price Checked At: 8/29/2026, 12:27:07 PM

The price snapshot and review snapshot differ by about 115 hours. Because they are not always refreshed at the same time, confirm the latest Steam listing before making a purchase decision.

Key highlight

Transform a rundown castle into a demon stronghold in Demon Castle Story, a management sim by Kairosoft. Recruit monsters, customize your fortress, and fend off adventurers in this RPG, strategy, and tower defense hybrid

Who this is for

Embrace your inner villain and build your own demonic castle in this unique management simulation!

Details

Overview

Step into the role of a budding dark lord in Demon Castle Story, a management simulation where you'll transform a dilapidated old castle into a formidable demon stronghold. Developed and published by Kairosoft Co., Ltd., this game invites players to embrace their villainous side by recruiting unique monsters, customizing their fortress, and fending off persistent adventurers.

It's a charming take on the tower defense and colony sim genres, offering a strategic yet casual experience.

Highlights

Build and Customize: Players can install various devilish decorations like gargoyles and ritual altars to enhance their castle's mystique and attract more monsters.
Monster Management: Recruit diverse monsters, nurture their growth by providing food and items, and gain their support to defend against invading heroes.
Exploration and Merging: Send your monster minions to explore dungeons and towns to gather loot, discover new items, and potentially recruit new allies. Monsters can also be merged to create even more powerful creatures.

Who It's For

Demon Castle Story is perfect for players who enjoy management simulations, city builders, and casual strategy games. If you've ever dreamed of running your own evil lair or enjoy the satisfying progression of building and expanding a base, this game offers a delightful experience.

Fans of Kairosoft's signature simulation style will find plenty to love here.

Game Info

This title falls under the RPG, Casual, Simulation, Strategy, and Tower Defense genres, with elements of Colony Sim and City Builder gameplay. It supports multiplayer, features Steam Achievements and Steam Cloud saves, and is available for family sharing.

The game was released on February 9, 2026, and has garnered a 'Mostly Positive' reception from Steam users. It is available in English, Simplified Chinese, Traditional Chinese, Japanese, and Korean.