HomeLibrary Of Ruina
Library Of Ruina
ProjectMoon · released Aug 10, 2021 · Early Access from May 15, 2020 · data updated Oct 23, 2026
by ProjectMoon
"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…
Released Aug 10, 2021 · Early Access from May 15, 2020
Steam figures
| Value | As of | |
|---|---|---|
| Steam reviews | Very Positive · 94% positive of 41,309 Steam reviews | Oct 23, 2026 |
| Followers on Steam | 94,010 | Oct 20, 2026 |
| Regular US price | $29.99 | Oct 20, 2026 |
| Twitch peak viewers | 158 | Oct 22, 2026 |
| Top Sellers rank | #985 | Oct 19, 2026 |
New Steam reviews per month
| Month | New positive | New negative |
|---|---|---|
| Nov 2025 | 661 | 32 |
| Dec 2025 | 563 | 18 |
| Jan 2026 | 669 | 35 |
| Feb 2026 | 566 | 24 |
| Mar 2026 | 719 | 44 |
| Apr 2026 | 599 | 35 |
| May 2026 | 537 | 35 |
| Jun 2026 | 612 | 35 |
| Jul 2026 | 1,043 | 69 |
| Aug 2026 | 703 | 39 |
| Sep 2026 | 443 | 34 |
Sales estimate
| Copies sold on Steam | 1.4M – 3.9M | |
|---|---|---|
| Gross revenue on Steam | $19M – $67M before refunds, tax and Steam’s cut | |
| Steam reviews by buyers | 41,309 | Oct 23, 2026 |
| Copies per review | 35–92 |
Estimates are based on an aggregation of industry-accepted conversion formulas. How this is estimated
Tag DNA
| Tag | Share of Steam games |
|---|---|
| Turn-Based | 1 in 65 games |
| Great Soundtrack | 1 in 46 games |
| Card Battler | 1 in 43 games |
| Deckbuilding | 1 in 32 games |
| Card Game | 1 in 26 games |
| Turn-Based Combat | 1 in 22 games |
| Gore | 1 in 22 games |
| Difficult | 1 in 19 games |
Games like Library Of Ruina
| Game | Developer | Match | Steam reviews |
|---|---|---|---|
| Roguebook | Abrakam Entertainment SA | 90% | Very Positive · 3,475 |
| Voice of Cards: The Isle Dragon Roars | Square Enix | 87% | Very Positive · 1,287 |
| Black Book | Morteshka | 85% | Very Positive · 5,333 |
| Pirates Outlaws | Fabled Game | 89% | Very Positive · 720 |
| Knock on the Coffin Lid | RedBoon | 83% | Very Positive · 2,739 |
| Fights in Tight Spaces | Ground Shatter | 85% | Very Positive · 3,579 |
| Tainted Grail: Conquest | Questline | 82% | Very Positive · 7,609 |
| Griftlands | Klei Entertainment | 84% | Very Positive · 13,480 |