No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $9.1K — a different platform, not this one.

The Librarian

This game is a bite-sized experience (~30 minutes of gameplay). Perfect for your coffee break! Something's wrong in the Library. Help Liz uncover the mysteries of a fantasy world full of supernatural creatures. A thrilling story for adventure game fans by Octavi Navarro, creator of the critically acclaimed games The Supper, Unwelcome, and the  Midnight Scenes series, and artist on games like Thimbleweed Park and Photographs . Narrative point-and-click horror experience. Explore, solve puzzles, and confront deadly creatures! Detailed, colorful pixel art. Eerie soundtrack. Atmospheric sound effects. Save the Library! Beautiful PDF Art Book from the game. Original soundtrack. Game localized to French, Italian, German, Spanish, Russian, Japanese, and Simplified Chinese.