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 $8.9K — a different platform, not this one.

Tex Murphy: Overseer

The client is drop-dead gorgeous. Her father is just plain dead - of an apparent suicide. She's certain he was murdered and is willing to do anything to prove it. Tex Murphy, P.I., is willing to do almost anything to make rent. The investigation leads Tex into the heart of a dark secret. An elite team of specialists have created something unspeakable. Now each of them are marked for death, and so begins the reign of the Overseer. Experience Mean Streets once again, with a deeper plot and superior quality Great acting, challenging puzzles, romance, suspense and witty humor A must-have for anyone who likes adventure games and a good mystery