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Library Of Ruina (Steam Account)
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Project Moon Series
About Library of Ruina
“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 pure luck.
Certain effects and variables will shift the outcome of the dice for and against your favor.
Be sure to carefully choose which cards you utilize to win the battle with your guests.
Behold the outcome of your choices and how luck unfolds as your librarians and guests skirmish.
You can go through an exhilarating experience, putting it all on the line with thrills just like betting.[Conflicts that Build Emotion]
Confrontation in the Library is not just about killing your enemies, it is about heightening emotions.
The emotions of the librarians and guests rise as the battle progresses, and as it grows fiercer and comes to a head, they will surge.
Depending on your librarian's feelings, positive outcomes or powerful effects with penalties can occur.
In addition, as the emotional tension of the guests grows, the difficulty of combat increases, yet at the same time, rarer books can be acquired.
Furthermore, dialogue can appear depending on the situation of the battle and will make one’s viewing experience of the match unfolding even more enjoyable. [Books Can Be Anything]
A guest who dies in the Library will turn into a book.
These books can be a librarian's body, materials to grow the Library, or new cards for battle.
You can also use books as the parts of an invitation to bring forth another guest.
Invite different guests to acquire various books, then utilize them accordingly.
How you make use of your collection to grow the Library is up to you.[The Story of the City and the Library]
In Library of Ruina, you will be witness to the stories of Angela, the Sephirot, and Roland following the ending of Lobotomy Corporation.
You will also watch various events occurring around the huge city in which the Library is located.
Accumulate books to grow your Library and librarians, and invite more powerful guests to gain better books.
From lowly canards to urban legends and beyond...
Throughout the game, you will gradually become familiar with the story of the City.
May you find your book in this place…
Game Specifications
- Single player
- PlayStation 4
- Windows
- Xbox One
- Nintendo Switch
System Requirements
Windows
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
- 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
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Price History
Frequently asked questions about Library of Ruina
What is the cheapest price for Library of Ruina Steam key?
The cheapest redeemable Steam key currently listed is $26.26 at Gameseal. The cheapest account offer is $3.50 at Difmark. Account offers provide login credentials instead of a key you redeem on your own account. Prices were last checked on October 25, 2026.
View key offersWhat is the difference between key and account offers for Library of Ruina?
Gamescade currently lists 10 redeemable keys and 7 account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.
View key offersWhat are the PC system requirements for Library of Ruina?
Minimum PC requirements for Library of Ruina include an Intel Core i5 CPU, 8 GB RAM, a GPU with GeForce GTX 560+, and 10 GB of available storage. See the full requirements below.
What is the Library of Ruina release date?
Library of Ruina was released on August 10, 2021.
Is Library of Ruina single-player, multiplayer, or co-op?
Library of Ruina is listed as a single-player game. No multiplayer or co-op modes are currently listed.
Where can Library of Ruina offers be activated?
Current Library of Ruina key offers can be activated on Steam. Check the retailer page for region restrictions before buying.
What other games are in the Project Moon series?
Gamescade lists these related games from the Project Moon series:
Which platforms have active Library of Ruina deals?
Gamescade currently lists active Library of Ruina deals for PC, PlayStation 4, Xbox One, and Nintendo Switch.
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