Cassius
Cassius is a first-person story-driven puzzle game exploring the mysteries of Blackhaven Hall, a sprawling historically accurate colonial estate evacuated at the height of the American Revolution. Journey back to the 1781 and decode the dark secrets lurking behind America's founding.
Last Updated: 3/4/2025
| Developer | Historiated |
| Publisher | Historiated |
| Steam App Id | 1670060 |
Cassius
Cassius is a first-person story-driven puzzle game exploring the mysteries of Blackhaven Hall, a sprawling historically accurate colonial estate evacuated at the height of the American Revolution. Journey back to the 1781 and decode the dark secrets lurking behind America's founding.
Last Updated: 3/4/2025
- Windows
- Mac
- Linux
About Cassius
Cassius is an Indie game developed by Historiated. It was released on the Steam Store by Historiated.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Cassius supports the following features:
- Full controller support
- Steam Achievements
- Single-player
- Family Sharing
Media & Sceenshots
Watch the featured video for Cassius and see the latest screenshots from the Steam Store.

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Soures & References
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Cassius data has been sourced from:
- Valve Corporation. (2025, March 4). Cassius on Steam. Steam Store.
- Valve Corporation. (2025, March 4). Cassius. Steam Community Hub.