SPSTEAMPULSELIVE ANALYTICS
Library Of Ruina

Library Of Ruina overview

ProjectMoon | Aug 10, 2021 | game

Released

782players observed · 22 September 2026 - 22:05:38 UTC

IndieRPGStrategyStory RichCard GameSteam Store

  • Latest observed players782 · 22 September 2026 - 22:05:38 UTC
  • SteamPulse tracked peak7,211
  • Units sold (VGI)1,300,000
  • Revenue (VGI)$28,300,000
  • Review score94% positive

Library Of Ruina dated player observations, monthly player trends, reviews, and game metadata are tracked on SteamPulse.

  • Latest observed players782 · 22 September 2026 - 22:05:38 UTC
  • SteamPulse tracked peak7,211
  • Units sold (VGI)1,300,000
  • Revenue (VGI)$28,300,000
  • Review score94% positive
  • Total reviews44,889
  • Release dateAug 10, 2021
  • DeveloperProjectMoon
  • PublisherProjectMoon

Genres: Indie, RPG, Strategy

Company pages: Developer: ProjectMoonPublisher: ProjectMoon

Top Steam chartsTop 100 gamesGame directorySteam Store page

Game overview

Overview

Library Of Ruina comes from ProjectMoon and is published by ProjectMoon. It arrived on Steam on Aug 10, 2021, and it sits naturally among Single-player, Steam Achievements, Steam Workshop, Partial Controller Support, Steam Cloud, Remote Play on Tablet, and Family Sharing. SteamPulse tracks it across Windows, Steam, Xbox, and PlayStation so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

Library Of Ruina's latest SteamPulse observation recorded 782 players at 22 September 2026 - 22:05:38 UTC, with a tracked peak near 7,211. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 94% positive across 44,889 reviews.

Language and system requirements

Library Of Ruina is available in 4 languages including:

EnglishJapaneseSimplified ChineseKorean languages with full audio support

5 regional rating boards including dejus, kgrb, esrb, steam germany, and igrs

PlatformTypeOSProcessorMemoryGraphicsStorage
WindowsMinimumNot listedIntel Core i58 GB RAMGeForce GTX 560+10 GB available space
WindowsRecommendedNot listedIntel Core i58 GB RAMGeForce GTX 560+10 GB available space

Sales, recommendations, and streams

Library Of Ruina has sold up to 1,300,000 units and has 40,666 Steam recommendations. The estimated VGI revenue is $28,300,000. On Twitch, 4 streamers are live with around 12 total watchers.

Detailed game overview

Library Of Ruina overview details

Library Of Ruina combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

“May you find your book in this place.” Become the owner of the Library and receive your guests. Your librarians will fight for the Library. 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. A good book will allow you to invite new guests with greater secrets. Amass a collection of books and explore the secrets of the City. And eventually, get your hands on… The one singular, perfect book. [Introduction to the Game] “May you find your book in this place.” Become the owner of the Library and receive your guests. Your librarians will fight for the Library. 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. A good book will allow you to invite new guests with greater secrets. Amass a collection of books and explore the secrets of the City. And eventually, get your hands on… The one singular, perfect book. [A Library Battle Simulation] Library of Ruina is a game that uses the concept of a “Library Battle Simulation”. You will invite guests to the Library and engage in combat with them to gain 'Books' with their stories. Battles are played with the 'Librarians' and the 'Guests' using cards and dice. You can plan against the guests’ moves by looking at the cards they will use and select the most optimal card to oppose them. When combat begins, how the dice from your chosen card fall will determine victory or defeat in the struggle. However, the outcome of the dice is not simply determined by…

SteamPulse editorial summary

Library Of Ruina is listed as a game with $29.99. It supports Windows, belongs to Single-player, Steam Achievements, Steam Workshop, Partial Controller Support, Steam Cloud, Remote Play on Tablet, and Family Sharing, and is associated with Indie, RPG, and Strategy. SteamPulse's latest observation records 782 players at 22 September 2026 - 22:05:38 UTC, a tracked peak of 7,211, and 94% positive reviews.

Overview facts

FieldValue
GameLibrary Of Ruina
Steam App ID1256670
Typegame
Release dateAug 10, 2021
DeveloperProjectMoon
PublisherProjectMoon
Price$29.99
PlatformsWindows
GenresIndie, RPG, Strategy
CategoriesSingle-player, Steam Achievements, Steam Workshop, Partial Controller Support, Steam Cloud, Remote Play on Tablet, Family Sharing
Supported languagesEnglish, Japanese, Simplified Chinese, Korean * * languages with full audio support
WebsiteOfficial website

Player and review overview

MetricValue
Latest observed players782 · 22 September 2026 - 22:05:38 UTC
SteamPulse tracked peak7,211
Positive reviews42,412
Negative reviews2,477
Total reviews44,889
Positive percent94%
Review typeVery Positive
Recommendations40,666
Average playtime9,442 minutes

SteamPulse record freshness

FieldValue
Steam release dateAug 10, 2021
Official Steam feed update (UTC)18 November 2021 - 13:16:30 UTC
SteamPulse last record update (UTC)22 September 2026 - 22:05:38 UTC
Live player count updated (UTC)22 September 2026 - 22:05:38 UTC
Store metadata updated (UTC)22 September 2026 - 22:05:38 UTC

Highlighted achievements

AchievementDescription
The One Perfect BookNo description
The RoadNo description
Life and DeathNo description
A Single CandleNo description
HospitalNo description
A Dream ShatteredNo description
One Night I Count the StarsNo description
Impuritas CivitatisNo description
From a Place of LoveNo description
And Then is Heard No MoreNo description

Support and legal notes

FieldValue
Support email[email protected]
Support URLNot available
Legal noticeLibrary of Ruina is © Copyright ProjectMoon 2020

References

Official and third-party reference links for checking this Steam app outside SteamPulse.

ReferenceLink
SteamPulse canonicalhttps://steampulse.org/game/1256670
Steam Storehttps://store.steampowered.com/app/1256670/
Steam Communityhttps://steamcommunity.com/app/1256670
PCGamingWiki search
IGDB searchSearch IGDB for Library Of Ruina

Game FAQ

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.

What is the latest observed Steam activity for Library Of Ruina?

Library Of Ruina's latest SteamPulse observation records 782 players at 22 September 2026 - 22:05:38 UTC, with a tracked peak of 7,211 concurrent players in the available SteamPulse record. SteamPulse also records about 157 hours of average lifetime playtime.

Is Library Of Ruina growing or declining recently?

September 2026 is still in progress. The month-to-date average is 1,733 players; the highest observed daily value is 2,364 players. Available values are provisional and will continue changing until the UTC month closes. The completed comparison month is August 2026.

What country-level audience data is available for Library Of Ruina?

In the observed sample of public reviewer profiles with a visible country, the leading shares are United States (32.6%), United Kingdom (9.8%), Canada (6.5%). The separate directional player-region model assigns its leading shares to United States (29.9%), United Kingdom (8.7%), Canada (6%). The directional follower-region model assigns its leading shares to United States (38.3%), United Kingdom (9%), Canada (5.8%). The directional wishlist-region model assigns its leading shares to United States (26.8%), United Kingdom (7.8%), China (6.3%). Only the reviewer view is based on observed public profile countries; the other percentages are modeled relative weights, not verified account locations or country-level user counts.

What does the Steam review footprint look like for Library Of Ruina?

Library Of Ruina currently sits at 94% positive across 44,889 Steam reviews tracked by SteamPulse, including 42,412 positive reviews and 2,477 negative reviews. Steam labels the current review summary as Very Positive.

How much follower and Twitch attention does Library Of Ruina have?

Library Of Ruina currently has about 84.7K tracked Steam followers as of 27 January 2026 - 00:00:00 UTC. On Twitch, SteamPulse is matching roughly 12 live viewers across 4 active streams for the game's category.

What is the current Steam price for Library Of Ruina?

Library Of Ruina is currently listed at $29.99 on Steam. SteamPulse uses the current store snapshot and historical price records to show whether the page is at full price or in a discounted window. Steam recommendations currently stand near 40,666, which helps add market context around that price.

Reviews, pricing, and metadata

Review summary

Very Positive

94% positive, 42,412 positive, 2,477 negative

Price and discount

$29.99

Platforms

Windows

Categories

Single-player, Steam Achievements, Steam Workshop, Partial Controller Support, Steam Cloud, Remote Play on Tablet

Achievements

76

Platform releases
  • Steam 15 May 2020
  • Xbox 10 August 2021
  • PlayStation 25 April 2024

DLC and packages

Library Of Ruina SoundtrackMili's Song and EIM Musicmusic #1658720$19.99Library of Ruina - ArtBookLibrary of Ruina ArtBook Arts and Comment.dlc #1735680$19.99
Library Of RuinaBuy Library Of Ruina #436437$29.99

System requirements

Minimum requirements

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 Processor: Intel Core i5 Memory: 8 GB RAM Graphics: GeForce GTX 560+ DirectX: Version 10 Storage: 10 GB available space

Recommended requirements

Recommended: Requires a 64-bit processor and operating system OS *: Windows 7 Processor: Intel Core i5 Memory: 8 GB RAM Graphics: GeForce GTX 560+ Storage: 10 GB available space

Live Twitch streams

StreamerTitleViewersLanguage
PaperBaggedMGChildren of the City time7en
GammaCelestTime to suffer again-3en
iva_sinisterЧил в библиотеке1ru
bwahbwuhChudary of Ruina1en

Interactive charts, reviews, news, prices, and comparison tools load in the full SteamPulse app.