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App ID 1256670
App Type Game
Publisher ProjectMoon
Franchise ProjectMoon, Ruina
Supported Systems Windows
Technologies Engine.Unity
Last Change Number 23152182
Last Record Update 14 April 2024 – 21:52:04 UTC ()
Release Date 10 August 2021 – 19:03:00 UTC ()

"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.

Additional Information

Developer ProjectMoon
controller_support partial
community_visible_stats Yes
workshop_visible Yes
DLCAvailableOnStore Yes
ReleaseState released
Publisher ProjectMoon
Store Release Date 10 August 2021 ()
osarch 64
community_hub_visible Yes
Primary Genre Indie (23)
Store Genres Indie (23), RPG (3), Strategy (2)
Steam Release Date 10 August 2021 – 19:03:00 UTC ()
Store Asset Modification Time 14 December 2022 – 01:15:00 UTC () (1670980500)
osextended empty string
review_score 8
review_percentage 93
Detected Technologies (?) Engine.Unity, SDK.Game_Development_Kit, SDK.UnityBurst
Steam Deck Compatibility
  • category: Playable
  • test_timestamp: 3 February 2022 – 00:00:00 UTC
  • tested_build_id: 7742057
  • configuration:
  • Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • In-game interface text is legible on Steam Deck
  • This game's default graphics configuration performs well on Steam Deck
  • Note: This game does not default to external Bluetooth/USB controllers on Deck, and may require manually switching the active controller via the Quick Access Menu

Supported Languages

5 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes
Japanese Yes Yes Yes
Simplified Chinese Yes Yes Yes
Korean Yes Yes Yes Yes
Traditional Chinese Yes



clienticon fc0264a7e0d75b50b47a76d172b8bb18d1803a53
clienttga 220f917f6a698f08fe2d0fbd13153838bdcd9908
icon 57587a476ea5cc23ace386db50a6bfc9547a9b4b
logo e128a6e59d82a99f354d9e10bb9e5604554470af
logo_small e128a6e59d82a99f354d9e10bb9e5604554470af_thumb
library_capsuleen view image
library_heroen view image
library_logoen view image
Web Assets
capsule_231x87.jpgLast-Modified: 28 February 2020 – 00:43:28 UTC
capsule_616x353.jpgLast-Modified: 28 February 2020 – 00:43:28 UTC
header.jpgLast-Modified: 28 February 2020 – 00:43:28 UTC
hero_capsule.jpgLast-Modified: 14 December 2022 – 01:15:00 UTC
library_600x900.jpgLast-Modified: 28 February 2020 – 00:43:29 UTC
library_hero.jpgLast-Modified: 28 February 2020 – 00:43:29 UTC
logo.pngLast-Modified: 12 May 2020 – 10:00:08 UTC
page_bg_raw.jpgLast-Modified: 28 February 2020 – 00:43:28 UTC

Steam charts

  • 704 players right now
  • 1,524 24-hour peak
  • 8,015 all-time peak 9 April 2021

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Store data

  • #728 in top sellers
  • 24,310 positive reviews
  • 1,762 negative reviews
  • 93.24% positive reviews

Twitch stats

  • 383 viewers right now
  • 395 24-hour peak
  • 11,576 all-time peak

Owner estimations

Monthly players breakdown

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Steam hub followers history

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User reviews history NEW

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Date Label 30-day Peak
10 August 2021 – 19:03:00 UTC Steam Release -
22 July 2022 – 18:00:00 Humble Bundle: Deck Builder Bundle -

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How many players are playing Library Of Ruina right now on Steam?

Steam player counter indicates there are currently 704 players live playing Library Of Ruina on Steam.

Library Of Ruina had an all-time peak of 8015 concurrent players on 9 April 2021.

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