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 $40.6K — a different platform, not this one.

The 7th Guest: 25th Anniversary Edition

The famous game remastered in a new 25th Anniversary Edition! The father and mother of all 'Haunted Mansion' games! Winner of multiple gaming awards and “No. 1 Rated Game of 1994”. "The new standard in interactive entertainment." - Bill Gates (Founder of Microsoft Corporation, 1993) Henry Stauf's mansion has been abandoned for as long as anyone dare remember. Stauf was a master toy maker, a maker of amazing puzzles and this strange, eerie, mansion was his greatest creation.  It stands empty, rotting ever since children started dying with his toys near them, ever since six guests came and were never seen again. Now, you are in the house, moving from one room to another, trying to remember and trying to forget. Because Stauf's game isn't over. There were six guests the world knew about - and there was one other.  The mansion of horror comes to life again and only you can end this mad nightmare and learn the secret of the 7th guest. The game features: Groundbreaking use of full-motion video and dialogue recorded by live actors in a terrifyingly virtual environment.  Bizarre puzzles to solve and games to play.   22 stunningly rendered, devilishly surprising, 3-D rooms await you in this fully explorable haunted mansion. ‘25th Anniversary Edition' features: Totally new, much praised, game play controls that were built from the ground up.     Hotspot based with the option to highlight all hotspots in each game screen.    Skip quickly any scene.    Completely new map, which can be access directly from the game screen.    Many new mouse and keyboard shortcuts. Completely new game menus and save/load system Three Music options: The praised, orchestrated, music score re-mastered or the original score in high quality Midi recording or Adlib Much improved voice acting audio and all-new, optional subtitles High-end graphics upscaling (xBRZ filter) for high-resolution displays Optional retro settings: play with original graphics, original music and even the original controls A lot of extras: ‘The Making of’ featurette 19 Deleted Scenes and 34 Deleted Audio Parts Comprehensive Soundtrack: 36 Tracks to add to your music collection! ‘The 7th Guest’ Novel (157 pages) The Original Script (104 pages), ‘The Stauf Files’ booklet (20 pages), Original Game Manual (41 pages) Legacy Editions as FREE downloadable content (DLCs) for Windows, macOS and Linux (English voice-acting only) Multiple languages (ALL included without additional payment): English voice acting, with or without English, Spanish, Portuguese, Italian, Polish, Swedish or Hebrew subtitles German voice acting with or without German subtitles French voice acting with or without French subtitles Russian voice acting with or without Russian subtitles