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 $916.2K — a different platform, not this one.

Maid of Sker

Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe! Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from British folklore. Inspired by the haunting tales of Elisabeth Williams, discover a suffocating family secret with stealth tactics amongst sound-based AI enemies. Set in 1898 and inspired by the haunting Welsh tale of Elisabeth Williams, this is a story of a family empire driven by torture, slavery, piracy and a supernatural mystery that suffocates the grounds of the hotel. Developed by Wales Interactive with a plot crafted by the writing talent and designers behind the likes of SOMA, The Bunker and Battlefield 1. Features 3D sound-based AI system as the core survival mechanic Fusing psychological, gothic and British horror Realistic visuals, immersive environments and eerie atmospherics Famous Welsh hymns from the spine-chilling voice of Tia Kalmaru Re-imagining of the Welsh folk song “Y Ferch o'r Sger” (The Maid of Sker) Realistic visuals with 4k uncapped on PC (1080p 60fps minimum)