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 $414 — a different platform, not this one.

The Legacy: Realm of Terror

This game is also included in Retro First Friday Collection #2 bundle. Your dream home has turned into a living nightmare!! For the past 400 years, your evil ancestors have been planning this housewarming party just for you. And it's one party you may never leave! Exploring hundreds of reality-twisting rooms in your eerie estate. You'll encounter unearthly puzzles, sinister spells, and forbidden tomes. And you'll battle hideous hosts like grotesque gargoyles and loathsome death leeches as you struggle to vanquish the evil forces contaminating your happy home! Can you survive this living nightmare? The answer lies within the walls of The Legacy: Realm of Terror. Spine-tingling graphics will turn you chalk-white with horror! Hair-raising combat with sickening creatures! Stupefying stumpers in surreal rooms!