"May you find your book in this place." Combat between the guests and the librarians breaks out as if it were on a stage. Defeated guests turn into books, and the Library grows onward. And eventually, get your hands on… The one singular, perfect book.
| App ID | 1256670 |
|---|---|
| App type | Game |
| Developer | ProjectMoon |
| Publisher | ProjectMoon |
| Homepage | https://twitter.com/ProjMoonStudio |
| Release date | 2021-08-10 19:03 UTC |
| Release state | released |
| Controller support | partial |
| Workshop | Visible |
| DLC list (appinfo) | 1735680 |
| Store page | store.steampowered.com/app/1256670 |
| Last store refresh | 3 hours ago |
| # | Executable | Arguments | OS | Description |
|---|---|---|---|---|
| 0 | LibraryOfRuina.exe | windows | ||
| 1 | LibraryOfRuina.exe | -mod | windows | LOR With Mods |
| 2 | LibraryOfRuina.exe | -invtool | windows | LOR Invitaion Editor |
| Playing now | 1,266 (23 minutes ago) |
|---|---|
| 24-hour peak | 1,266 |
| All-time peak (tracked) | 1,266 2026-09-12 00:50 UTC |
All Steam store regions, converted to USD at today's exchange rate, compared with the US price. Lowest is the lowest price SteamRaw has recorded for that region.
Loading regional prices…
| Date | Price | Regular | Discount |
|---|---|---|---|
| 2026-09-11 21:01 UTC | $29.99 | $29.99 |
| DLC | AppID | Release | Price |
|---|---|---|---|
| No DLC known for this app. | |||
| Branch | Build ID | Description | Updated | Password |
|---|---|---|---|---|
| public | 7742057 | 2021-11-19 10:07 UTC | ||
| 1.1.0.5b1 | 7232235 | Old Build | 2021-08-27 05:19 UTC |
| Depot | Name | OS | Size | Download | Public manifest | Notes |
|---|---|---|---|---|---|---|
| 1256671 | 64 | 7.55 GB | 3.18 GB | 96563032411238562 | branches: 1.1.0.5b1 | |
| 1735680 | 1.60 GB | 1.62 GB | 8865581939697287877 | DLC 1735680 · branches: 1.1.0.5b1 |
A build is one published version of the game's files on a branch. Steam assigns a new build ID every time the developer pushes an update, so this list is the update history of the app. The files inside a build (depot manifests) are only readable with an account that owns the game, which SteamRaw does not have yet, so build contents are not shown.
| Build ID | Branch | Updated | First seen |
|---|---|---|---|
| 7742057 | public | 2021-11-19 10:07 UTC | 4 hours ago |
| 7232235 | 1.1.0.5b1 | 2021-08-27 05:19 UTC | 4 hours ago |
Every appinfo change SteamRaw has observed, grouped by changelist. Tags, features, languages, builds, depots, prices and any other key Steam publishes. Tracking since 2026-09-11 21:01 UTC.
No changes recorded since SteamRaw first saw this app. Every future PICS change will be listed here.
| Changelist | Apps | Packages | Seen | What changed |
|---|---|---|---|---|
| No changelists recorded for this app yet. | ||||
Fixed an issue where certain poses would display erroneous images when using the Key Pages of Yun, Pameli, Zulu, and Mei or their projected appearance. Fixed an issue where the body image of custom skins would sometimes be displayed in incorrect positions.
Fixed an issue where certain battle dialogue for various enemies was missing. When the game is launched with an abnormally small or erroneous window size, the window will automatically adjust to an intended size. 1.1.0.6a11 hotfix Fixed an issue where Alriune's passive ability, 'Tears of Petals', was not functioning properly.
The 'Library Of Ruina' artbook now supports simplified Chinese! A simplified Chinese version of the artbook has been added. You can download the artbook in English, Korean, Japanese, and simplified Chinese when you purchase the DLC. https://store.steampowered.com/app/1735680/Library_of_Ruina__ArtBook/
Added a 'refersh' button to the custom invitation tool, which reloads external resources. Fixed an issue where passive ability descriptions of certain enemies were not visible. Fixed an issue where projecting appearances of pages downloaded from Steam Workshop caused errors that stopped the game from progressing properly. Fixed an issue where abilities that activate upon Staggering the target did not activate properly (e.g. The Abnormality Page 'Rake'). Fixed an issue where images of custom Combat Pages were not visible during engagements. Fixed an issue that prevented the player from acquirin
The custom reception creation tool has been updated. Please refer to the manual for detailed instructions on modding. You can find the manual through the links below. https://docs.google.com/presentation/d/1WGBglM3IR4d8ZPd4xRyyx_cyl8nrsHQmQnGx6FOIiDk/edit?usp=sharing -About DLL https://docs.google.com/presentation/d/1mJKbasEplw8Kvr4uwG6mvfHF8Z9ebM4AoAYCn82CNW4/edit?usp=sharing - Fixed a large number of bugs (The full list will be posted at a later date.) -hotfix Fixed an issue where the story edit menu could not be opened. bug fix Fixed an issue where certain Battle Symbols with Act-based cond
Library Of Ruina's digital artbook is on sale. The files are provided in PDF format, and are currently available in Korean and English. After purchasing the Steam DLC for the LOR Artbook, you can access the file through the Library Of Ruina installation path. You can find the installation path with the Steam client by right-clicking the game's title -> Properties -> Local Files -> Browse... https://store.steampowered.com/app/1735680/Library_of_Ruina__ArtBook/ {STEAM_CLAN_IMAGE}/36935696/e3a016a8e9acf39a819f8e6d8784125c22bf5283.png {STEAM_CLAN_IMAGE}/36935696/8f3e42f253b2ae425a5c343a855cfa17d50
Adjusted the number of guests and librarians in the reception of Jeong's Office to 4 each. Fixed an issue where Workshop appearance projections couldn't be used properly. Added an option to properly remove books, Key Pages, and Combat Pages belonging to an unsubscribed mod.
The following lists will be improved through next Friday (9/10) update. Added support for externally compiled code (in .dll format) for advanced content such as new passive abilities Added a story dialogue edit feature Added a combat dialogue edit feature Added the ability to utilize in-game resource data (appearances, backgrounds, sounds, etc.) Adjusted the maximum dice number limit Made adjustments so that the user can be better informed on the cause of an issue when errors occur while using the tool Added the ability to test self-made receptions in the client without having to upload to the
The Steam Workshop support for custom general receptions has been added with today's update. Please refer to the manual found on through links below for detailed instructions. Thank you. https://docs.google.com/presentation/d/1WGBglM3IR4d8ZPd4xRyyx_cyl8nrsHQmQnGx6FOIiDk/edit?usp=sharing * Steam Achievement progress will not be tracked while custom receptions are in use. - Made adjustments so that when the game tries to load Key Pages, Combat Pages, or books whose data cannot be found, they will be treated as dummy data and allow the game to be loaded anyway. - Added Ver. 1.1.0.5b1 to the Steam
Hello. This is Project Moon. Due to an issue with the custom reception data file(s), the update that was originally planned for today has been delayed until next week. We apologize for the inconvenience. Thank you.
Increased the starting Light capacity for the Key Pages of Kalo, Esther, Hubert, and Gloria from 3 to 4. Fixed an issue where Light was not being displayed properly if the maximum Light capacity exceeded 11. Fixed an issue where loading a deck preset onto a deck for the Purple Tear's Page reset all its decks. Fixed an issue where the switch clash target button did not function properly under certain circumstances. Fixed UI issues in the final episodes. Other UI-related fixes.
We are planning to provide a modding tool to the community which will allow anyone to make a custom General Invitation reception. You will be able to create and upload custom receptions to the Steam Workshop to share with others. Our aim is to provide this update and utility on August 17th. Thank you for your patience.
Fixed an issue where voiceovers were missing for certain lines of dialogue. Key Page information now displays if it can have Ranged Combat Pages in its deck. Fixed an issue where the descriptions of certain Abnormality Pages did not inform that the special Combat Page given by their effect is also included in the deck in subsequent Acts. Fixed an issue where the Combat Page 'All Returns to the Void' would automatically exhaust at the end of the Scene. Fixed an issue where text was missing from the Combat Page 'Ever-repeating Performance'.
1. Increased the amount of books resolved by defeating guests in Urban Plague and above. 2. Improved chances of earning Limited- and Objet D'art-grade rewards from burning books, and reduced the chances for Paperback and Hardcover rewards accordingly. 3. Added a status that prevents damage from status ailments during the final phase of the Realization battle for the Floor of General Works. 4. Bug Fixes Fixed an issue where the ability of the Combat Page 'Field Mods' reduced Costs further than intended under certain conditions. Fixed an issue where using the Servant of Wrath's E.G.O filled the
Unfortunately, due to a request to reschedule the XBOX version, the release of Library Of Ruina has been delayed to August 12th. We apologize.
Full appinfo as delivered by Steam PICS, changenumber 37443736. Also at /api/app/1256670/raw.
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