The Steam game people usually mean is Demonologist , not a direct Steam version of Roblox’s Demonology. Roblox’s Demonology is its own game, while Demonologist is the separate Steam co-op horror title that’s often compared to it.

What’s the difference

  • Demonology is a Roblox horror game developed by Blaqk Magic Blue.
  • Demonologist is a Steam co-op horror game where players identify evil spirits in cursed places.
  • They share a similar ghost-hunting vibe, which is why people mix them up.

Quick answer

If you were asking for the “Steam version” of Roblox Demonology, the closest match is Demonologist on Steam.

TL;DR

Roblox game: Demonology. Steam counterpart people usually refer to: Demonologist.