Library of Ruina Earns Guinness World Record for Longest Video Game Campaign

ProjectMoon’s deck-building RPG Library of Ruina has earned a Guinness World Record for the longest video game campaign or story, with an estimated main campaign length of 113 hours as of June 2026.

According to Guinness World Records, Library of Ruina surpassed the previous record holder, Atlus’ Persona 5 Royal, by approximately 12 hours. The record measures the estimated time to complete the main story, not optional content or a full completionist playthrough.

Originally released in 2021, Library of Ruina combines turn-based battles with deck-building mechanics. Players manage a library where visitors are challenged to battles, with defeated guests becoming books that expand the library’s collection.

The game is a direct sequel to Project Moon’s 2018 management simulation title, Lobotomy Corporation. The developer later expanded the setting with Limbus Company, released in 2023.

Library of Ruina is available on PlayStation 4, Xbox, Switch, and PC via Steam.

Check out our review.