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 $4.1K — a different platform, not this one.

Saint Kotar: The Yellow Mask

Saint Kotar: The Yellow Mask is a prologue to the full game Saint Kotar. It follows the mysterious events that precede a macabre series of murders, allegedly related to devil worship and witchcraft. You play with two fascinating characters, Benedek Dohnany and Nikolay Kalyakin, to unravel a captivating and branching story set in the small rural town of Sveti Kotar. Your actions and words affect the storylines you experience and the characters you meet in this dark place tormented by agony and sorrow. Prologue to the full game Saint Kotar. Dark psychological horror adventure set in the small rural town of Sveti Kotar. Up to 3 hours of gameplay time. Glimpse of a vast and foreboding world to explore. Two fascinating playable characters, two captivating storylines. Decisions are fateful and affect the storylines. Mysterious and gripping branching plot. Hand-painted distinctive art style that fits the game’s mood. Fully voiced. Eerie original soundtrack.