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 $10K — a different platform, not this one.

Secrets of Velendar Castle - Escape Room

The king has taken you prisoner. Your house was burned, and your mother, your only family, executed under his commands. But you committed no crime… What does he want from you? EXPLORE THE ELVISH CASTLE Advance through the majestic rooms of Velendar castle and find your way out. SOLVE PUZZLES Observe and use logic to solve each escape room so you can advance. Clues and hints are everywhere - keep an eye open! ESCAPE FROM THE KING He imprisoned you without a reason… or could he have one? FEATURES Eight escape rooms filled with puzzles Stylized environments An intriguing story Controller support