The Proprietor
Assist clients in matters of Ritomancy. Devise powerful esoteric rituals by scouring forgotten tomes and unearthing forgotten grimoires in this uniquely text-based and lore-driven lovecraftian mystery game.
Last Updated: 10/28/2025
| Developer | Noctum Interactive |
| Publisher | Noctum Interactive |
| Steam App Id | 3515500 |
The Proprietor
Assist clients in matters of Ritomancy. Devise powerful esoteric rituals by scouring forgotten tomes and unearthing forgotten grimoires in this uniquely text-based and lore-driven lovecraftian mystery game.
Last Updated: 10/28/2025
- Windows
- Mac
- Linux
About The Proprietor
The Proprietor is an Indie, RPG, and Simulation game developed by Noctum Interactive. It was released on the Steam Store by Noctum Interactive.
It can be played and ran on both Windows and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, The Proprietor supports the following features:
- Family Sharing
- Single-player
Media & Sceenshots
Watch the featured video for The Proprietor and see the latest screenshots from the Steam Store.
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Soures & References
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The Proprietor data has been sourced from:
- Valve Corporation. (2025, October 28). The Proprietor on Steam. Steam Store.
- Valve Corporation. (2025, October 28). The Proprietor. Steam Community Hub.