# Mysteria\~Occult Shadows\~Art Book

Summer DB entity ID: f1840e39\-f8e3\-4412\-a56e\-b1433d1070cd

Steam App ID: 1143660

The Digital Art Book of Mysteria\~Occult Shadows\~\.   This contains character design sketches, unadopted CGs and illustrations and hand drew concept pictures from the early stage of development\.   You can check the pictures in the DLC under the folder DLC\_Art in the root folder of Mysteria after downloading it\.

## Game information

- Type: dlc

- Developer: U\-Secret Studio

- Publisher: U\-Secret Studio

- Release date: Dec 25, 2019

- Coming soon: false

- Free to play: false

- Parent Steam app: 662960

- Genres: Action, Adventure

- Categories: Single\-player, Downloadable Content, Partial Controller Support, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1143660/ss\_fd9386fb139b0d204af638ed3a7415536cb98dc0\.1920x1080\.jpg?t=1778735189

- Price: 119 minor units USD; discount 80%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 7

- Steam positive reviews: 7

- Steam negative reviews: 0

- Steam positive percentage: 100%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/f1840e39-f8e3-4412-a56e-b1433d1070cd/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/f1840e39-f8e3-4412-a56e-b1433d1070cd/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00

- Details observed: 2026\-09\-24T11:25:24\.556233\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-24T11:25:25\.633757\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/1143660/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/1143660/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/1143660"\},"price":"2026\-09\-24T11:25:24\.556233\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-24T11:25:24\.556233\+00:00","players":null,"reviews":"2026\-09\-24T11:25:25\.633757\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"837ec301\-a9cd\-49bc\-bf64\-ad66e7ab8d1b","catalog":"cdbb8a74\-905b\-41d8\-9897\-4ccf6eda71e8","details":"c8ee46df\-db1c\-49ec\-b773\-93242d8fba9b","players":null,"reviews":"c86f2b8b\-23cd\-404e\-af09\-afe3a64870cc"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"f1840e39\-f8e3\-4412\-a56e\-b1433d1070cd","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/1143660/) · [JSON](/api/v1/games/f1840e39-f8e3-4412-a56e-b1433d1070cd)