# htoL\#NiQ: The Firefly Diary \- Digital Art Book

Summer DB entity ID: 1190971e\-1374\-4ee4\-9942\-e7f7282808ab

Steam App ID: 535970

The labyrinths and ruins that Mion must traverse along with her two firefly companions, Lumen and Umbra, are as unique as they are deadly\. This special  htoL\#NiQ: The Firefly Diary  art book will serve as a visual guide showcasing the world that Mion explores, and through the director's notes, you may be able to get a glimpse of the mysteries and dangers that lurk in the darkness\.\.\.

## Game information

- Type: dlc

- Developer: Nippon Ichi Software, Inc\.

- Publisher: NIS America, Inc\.

- Release date: Oct 25, 2016

- Coming soon: false

- Free to play: false

- Parent Steam app: 368640

- Genres: Adventure, Strategy

- Categories: Single\-player, Downloadable Content, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/535970/ss\_1035390fc150820c28c12a496c0f2a6e7d96c743\.1920x1080\.jpg?t=1732667292, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/535970/ss\_6aee065d4cfbd3c90534a349298921e9da517122\.1920x1080\.jpg?t=1732667292

- Price: 299 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 6

- Steam positive reviews: 5

- Steam negative reviews: 1

- Steam positive percentage: 83.33333333333333%

- 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/1190971e-1374-4ee4-9942-e7f7282808ab/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/1190971e-1374-4ee4-9942-e7f7282808ab/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\-24T19:57:04\.362365\+00:00

- Details observed: 2026\-09\-22T15:20:11\.861804\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-22T15:20:14\.888276\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/535970/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/535970/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/535970"\},"price":"2026\-09\-22T15:20:11\.861804\+00:00","source":"steam","catalog":"2026\-09\-24T19:57:04\.362365\+00:00","country":"US","details":"2026\-09\-22T15:20:11\.861804\+00:00","players":null,"reviews":"2026\-09\-22T15:20:14\.888276\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"f8edc0c3\-32cd\-4198\-b059\-c4c9387c6487","catalog":"f761efc7\-6d45\-4b2b\-8951\-d199606c9854","details":"1e1ee9da\-3c9b\-4277\-a61e\-c3c02a1bc121","players":null,"reviews":"0644c9b9\-f3dc\-4d1a\-a694\-c86d5d98dc12"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"1190971e\-1374\-4ee4\-9942\-e7f7282808ab","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/535970/) · [JSON](/api/v1/games/1190971e-1374-4ee4-9942-e7f7282808ab)