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Library Of Ruina

Library Of Ruina

"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.

94%
Very Positive
DeveloperProjectMoon
PublisherProjectMoon
Release DateAug 10, 2021
$29.99
Peak Players7.2K
PlatformsWindows
Indie
RPG
Strategy
AI Review Summary

Library Of Ruina is a critically acclaimed deck-building RPG celebrated for its exceptional world-building and profound narrative depth. While the story is widely considered a masterpiece, the gameplay features a punishingly steep learning curve and extreme difficulty spikes that can be polarizing.

Pros

  • Exceptional story writing and world-building that many reviewers consider a masterpiece of fiction.95%
  • Deeply memorable and emotionally resonant characters that drive strong player attachment.90%
  • Incredible soundtrack and atmospheric opening music that enhances the overall experience.85%
  • High long-term engagement with many players logging hundreds or even thousands of hours.80%
  • Rewarding strategic depth for players who enjoy complex, high-stakes combat systems.75%

Cons

  • Extreme difficulty spikes that can leave players stuck on a single stage for days or weeks.90%
  • Steep learning curve with complex mechanics that remain confusing even after dozens of hours of play.85%
  • Frustrating reliance on RNG and dice rolls which can make encounters feel unfair or luck-based.80%
  • Perceived lack of balance where enemies often feel significantly stronger than the player's units.70%
  • Some users find the experience significantly improved or only manageable through the use of mods.60%

Notable Mentions

  • Reviewers frequently mention transitioning from pirated versions to official purchases to support the developers.
  • The game maintains a very high average playtime of nearly 100 hours among its player base.
  • Strong thematic and emotional ties to the developer's other titles, particularly Limbus Company.
Confidence: 59%
Based on the 175 most relevant reviewsGenerated on Aug 12, 2026
Game Vitals

Live snapshot

Player Activity

Current peak
2.5K
Peak · last 90 days
4.9K
All-time peak
7.2K

Price

Current price
$29.99
Lowest tracked
$10.19since Jan 9, 2026

Review Sentiment

Launch week
—
Last 30 days
96%
All-time positive
94%
Review Statistics
Total Reviews44.7K
Positive: 42.3K (94%)Negative: 2.5K (6%)

1%

Reviews from Steam Deck

0%

Dev Response Rate

100h

Avg Playtime at Review

83%

Credible Reviews