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The Demon Lurking in Osaka Castle – Episode 1 cover art
Games/Released/Adventure/The Demon Lurking in Osaka Castle – Episode 1
Released Oct 4, 2026

The Demon Lurking in Osaka Castle – Episode 1

by Osaka Games·Adventure, Indie

AI made some supernatural visuals and video sequences, and assisted with UI, localization, code and narrative design.

Art (Partial)Code (Assist)Writing (Assist)Translation (Assist)
View on Steam
OverviewSummaryHow AI is usedGrowthRankingsDeveloperSimilar games
The Demon Lurking in Osaka Castle – Episode 1

Overview

Official TrailerOfficial Trailer

A live-action horror visual novel set in Osaka Castle Park. Explore the park after dark, make choices, and uncover a disturbing supernatural mystery through footage filmed on location in Osaka.

Visual NovelHorrorAdventureFMVStory RichMysteryAtmospheric

Shares AI uses or genres with The Demon Lurking in Osaka Castle – Episode 1

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Cinematic
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Summary

Playing now024h peak 0Steam · hourly
Steam followers22Tracking since Sep 23, 2026Steam · public
Steam reviews1Too few for a ratingSteam · public
Revenue—Too few reviews to estimate fromList price $2.99

AI disclosure

How AI is used

Source: Steam AI disclosure · checked Nov 9, 2026

GameDB AI label

AI in 4 of 8 areas
  • In-game AINot used
  • CodeAssist
  • ArtPartial
  • Music & SFXNot stated
  • VoiceNot stated
  • WritingAssist
  • TranslationAssist
  • MarketingNot stated
ArtPartial

Certain supernatural visual elements and pre-rendered video sequences used generative AI; AI also assisted with visual design and UI.

CodeAssist

Generative AI assisted with code modifications.

WritingAssist

Generative AI assisted with limited narrative design.

TranslationAssist

Generative AI assisted with localization.

Not used, per the developer
In-game AI
Not mentioned
Music & SFXVoiceMarketing
Read the full disclosureQuoted from the Steam store page

Generative AI was used during development for certain supernatural visual elements and pre-rendered video sequences, and to assist with some visual design, UI, localization, code modifications, and limited narrative design. All live-action footage of Osaka Castle Park was filmed on location. No AI-generated content is created during gameplay.

CorePartialAssistPlaceholder

Players · followers

Growth

Players online

Last 7 days, hourly · now 0 · 24h peak 0

01234Nov 4Nov 5Nov 6Nov 7Nov 8Nov 90

Steam followers

22 now · Daily snapshot of public Steam data

0102030Oct 1Oct 1522

Released chart · Nov 4 – Nov 10

Rankings

Open the chart
#3107

Trending · Released

Among 6,662 released games

#715

Trending · Adventure

Among 1,672 released adventure games

#2122

Trending · Art

Among 4,441 released games with AI art

#2436

Top · Steam followers

22 followers

Released games rank by momentum: peak players over 24 hours, growth against the previous days and new reviews, with a launch boost that fades over the first week. Released and upcoming games are charted separately; estimates and stars are never mixed in.

Made by

Developer

OG

Osaka Games

Developer on Steam

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Made by

OG

Osaka Games

Developer, self-published

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Game info

Developer
Osaka Games
Release
Released Oct 4, 2026
Steam page
Public since Sep 24, 2026
Price
$2.99Steam list price, US
Genres
Adventure, Indie
Platforms
Windows
Steam app
5268550

Share a milestone

GameDB.aiNov 4 – Nov 10
★
AI game on GameDB.aiThe Demon Lurking in Osaka Castle – Episode 122 Steam followers
gamedb.ai/g/the-demon-lurking-in-osaka-castle-episode-1
Image

Sources

  • Steam store pageDescription, media, AI disclosure and price, developer links
  • Steam players, followers & reviewsPublic data, refreshed several times a day
  • GameDB starsOne per account
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