# Mysteria\~Occult Shadows\~Mysteria\~Occult Shadows\~Original Soundtrack

Summer DB entity ID: a275ad03\-4dc6\-43fd\-ade0\-8dc3e838846e

Steam App ID: 1143510

The Original Soundtrack of the game\.   Composed and produced by ProjectLights\.   \(15 pieces in EA version, more to come\)    Track List:   OP/Theme Songs  1\.	深潭舞踏 \-awake from purgatoire\-  2\.	深潭舞踏 \-awake from purgatoire\-\(inst\.\)  3\.	深潭舞踏 \-awake from purgatoire\-\(short\.\)   Lyrics by 仲村芽衣子 Composed by: 丸山公詳  Vocal by 織田かおり  sound produced by project lights    4\.	タイトル  5\.	回転ネコ！  6\.	遺跡の森  7\.	影色の森  8\.	謎の霧谷  9\.	前しか向かねぇ～  10\.	半影湖BOSS  11\.	神秘な洞窟  12\.	アイリア城中  13\.	幻森の夜に神族物語  14\.	瑠璃の森の外    EX1\. MYSTERIA is Return！2018PV  You can check the music files in the DLC under the folder DLC\_OST 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/1143510/ss\_57bc28ca30b7d91f81a74523ff5d1100afe75fd2\.1920x1080\.jpg?t=1778735192, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1143510/ss\_952743119a43843122ec0aee48f9f3bfb32e4de4\.1920x1080\.jpg?t=1778735192, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1143510/ss\_7f297692b480365d1232c7461b6e97551ccfc059\.1920x1080\.jpg?t=1778735192, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1143510/ss\_8687ad29dc6b255ac118d1eda16c40f0c9325a0a\.1920x1080\.jpg?t=1778735192, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1143510/ss\_6569e7945d493984601d6430788a7a8298c7e6b8\.1920x1080\.jpg?t=1778735192

- Price: 119 minor units USD; discount 80%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 18

- Steam positive reviews: 18

- 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/a275ad03-4dc6-43fd-ade0-8dc3e838846e/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/a275ad03-4dc6-43fd-ade0-8dc3e838846e/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\-24T11:25:06\.474448\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-24T11:25:07\.523245\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/1143510/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/1143510/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/1143510"\},"price":"2026\-09\-24T11:25:06\.474448\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-24T11:25:06\.474448\+00:00","players":null,"reviews":"2026\-09\-24T11:25:07\.523245\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"f7cc284d\-1457\-4da1\-a420\-3cb0560d3a00","catalog":"82358464\-4a44\-4c01\-904b\-7d39fee2dc82","details":"2723fa9d\-88f9\-4552\-99a7\-3e15571824a4","players":null,"reviews":"628ebe24\-019a\-48cf\-9419\-6d7d510cf3df"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"a275ad03\-4dc6\-43fd\-ade0\-8dc3e838846e","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/1143510/) · [JSON](/api/v1/games/a275ad03-4dc6-43fd-ade0-8dc3e838846e)