Demon Castle Story
Profile updated
Casual indie game Demon Castle Story comes from developer and publisher Kairosoft Co., Ltd., with a 2026 release. On Steam it has 222 user reviews at 79% positive, marked mostly positive, and launched at an initial price of $12.99.
Overview
Demon Castle Story is a 2026 Casual game developed by Kairosoft Co.,Ltd and published by Kairosoft Co.,Ltd. On Steam it has gathered 252 player reviews, 80% of them positive, which counts as a mostly positive reception among indie titles in the Casual category. The game is available on windows, and launched at $13. The pairing of developer Kairosoft Co.,Ltd with publisher Kairosoft Co.,Ltd is one of the studio-publisher relationships indielist tracks, letting players find comparable games and letting developers and investors study how Casual projects reach the market. indielist's white-box method estimates its lifetime sales at roughly 4,000 to 9,000 units, with the full Boxleiter factor breakdown shown on this page rather than a single black-box figure. Within indielist's catalog of indie games mapped to their studios, publishers, and funding, Demon Castle Story can be compared against similar Casual titles and benchmarked on review counts and estimated sales.
Reviews
252
Positive
80%
Steam appid
4212210
Engine
Unknown
Players (snapshot)
Unavailable
Sales estimate
v1.04K to 9K
units (median: 6K)
≈ $28K to $65K modeled net revenue (fixed store-cut, refund, and regional-price assumptions applied)
+ - How is this calculated?
| Factor | Adjustment |
|---|---|
| base | +50 |
| year_2026 | -10 |
| price_$13 | 0 |
| positive_80% | 0 |
| genre_Casual | -15 |
| final NB | 25 |
Heuristic display range: median × [0.6, 1.4]. Boundary protection: NB ∈ [15, 150].
Methodology & limitations
Sales estimates use an additive Boxleiter-derived heuristic against public Steam review
counts. They are not authoritative sales data, and the fixed display range
is not a statistically validated confidence interval. Actual results may fall outside it,
especially for deeply discounted or bundle-heavy titles. Algorithm version
v1.0. Read the exact method and validation status.
indielist estimates lifetime unit sales for Demon Castle Story at roughly 4,000 to 9,000 copies, with a median around 6,000, derived from its 252 Steam reviews using a multi-factor Boxleiter method (version v1.0). That median maps to approximately $47K in net revenue after Steam's 30% cut, regional pricing, and refunds. Unlike black-box trackers, the full calculation is shown on this page: a base review-to-sales multiplier is adjusted for release year, launch price, review sentiment, studio size, and genre, and every adjustment is listed so developers, publishers, and investors can audit exactly how the figure was reached. The range itself reflects genuine uncertainty — review-to-sales ratios vary widely between games — so indielist publishes a low, median, and high band rather than a false-precision single number, and treats free-to-play, heavily discounted, and bundle-distributed titles as having wider error margins still.
Price history
14 observed days · window low $12.99Across 14 observed UTC days from 2026-07-15 to 2026-09-02, the daily lowest tracked USD price across stores ranged from $12.99 to $12.99. The tracked-window low was $12.99 on 2026-07-15.
Real store observations · daily lowest tracked USD price across stores · missing days are not filled.
Where to buy
Affiliate disclosure- Steam reference$12.99 Buy
- Green Man Gaming
- Fanatical
- Humble Store
- GOG.com
Latest tracked store observations (2026-09-02 05:13 UTC), cheapest first. Prices may have changed since observation. Some are affiliate links — we may earn a commission at no extra cost to you. Learn more.
Platforms
windows
Genres
Frequently asked questions
- How many copies has Demon Castle Story sold?
- indielist estimates Demon Castle Story has sold between 3,780 and 8,820 units (median 6,300), derived from its 252 Steam reviews with the white-box Boxleiter v1.0 method. The full breakdown is shown on the page.
- Who developed Demon Castle Story?
- Demon Castle Story was developed by Kairosoft Co.,Ltd and published by Kairosoft Co.,Ltd.
- Who published Demon Castle Story?
- Demon Castle Story was published by Kairosoft Co.,Ltd, developed by Kairosoft Co.,Ltd. See Kairosoft Co.,Ltd's full catalogue and submission status on indielist.
- When was Demon Castle Story released?
- Demon Castle Story was released in 2026.
- How many reviews does Demon Castle Story have on Steam?
- Demon Castle Story has 252 Steam reviews, of which 80% are positive.
- Is Demon Castle Story worth playing?
- Steam players rate Demon Castle Story 80% positive across 252 reviews. indielist doesn't score games editorially; it surfaces public review sentiment and a white-box sales estimate so you can judge reception and reach yourself.
Ecosystem
Players looking for games like Demon Castle Story can compare it on indielist against semantically similar Casual titles such as Garry's Mod, Wallpaper Engine, Factorio, Balatro, ranked by shared tags and genre rather than by ad spend. On the developer side, Kairosoft Co.,Ltd's other releases and Kairosoft Co.,Ltd's wider catalog are one click away, letting developers benchmark where Demon Castle Story sits among a studio's body of work and how its publisher's portfolio performs. Because indielist maps studios, publishers, games, and funding into one connected graph, the same Demon Castle Story page serves three audiences at once: players hunting their next Casual game, developers studying how comparable projects were positioned and what they sold, and investors tracing which teams and labels are active in the space. A machine-readable markdown mirror of this page is published at the same path with a .md suffix for AI assistants, and its review, price, and sales-estimate figures are refreshed on a schedule rather than frozen at launch.
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