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 $16.6K — a different platform, not this one.

Soulless: Ray of Hope

Follow the ray of hope in a world of darkening silhouettes as you help Elin save his friend and face his deepest fears. Immerse yourself in Elin’s childlike wonder, and witness each new puzzle, secret, sin, or dilemma unfold to discover the truth behind this shadowy world. Features: Travel through beautifully handcrafted environments Challenge yourself with intricate puzzles, cryptic bosses, and refreshing gameplay Confront the seven deadly sins, secrets, dilemmas and atmospheric perspectives Explore this rich and mysterious world of silhouettes with an epic original soundtrack Come back for more: with three different endings to uncover Experience a deeply moving personal journey of hope...