Keystone Library — Steam game overview

Stored observation / content update: 2026-10-25T23:58:09.000Z

An expandable library of RPG stories and mini-games. Enter a living library where every book is a new adventure. Solve puzzles, complete quests, battle foes, and restore the library to its former glory using a unique keyword-based interface.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.