CALIGULA: 1996
A hallucinogenic narrative-driven psychological horror shooter set in Massachusetts, 1996.
Last Updated: 8/23/2025
| Developer | DIPHENHYDRAMINE PLANET SOFTWARE |
| Publisher | DIPHENHYDRAMINE PLANET SOFTWARE |
| Steam App Id | 3668900 |
About CALIGULA: 1996
CALIGULA: 1996 is a Free to Play game developed by DIPHENHYDRAMINE PLANET SOFTWARE. It was released on the Steam Store by DIPHENHYDRAMINE PLANET SOFTWARE.
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, CALIGULA: 1996 supports the following features:
- Single-player
- Family Sharing
Media & Sceenshots
Watch the featured video for CALIGULA: 1996 and see the latest screenshots from the Steam Store.

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CALIGULA: 1996 data has been sourced from:
- Valve Corporation. (2025, August 23). CALIGULA: 1996 on Steam. Steam Store.
- Valve Corporation. (2025, August 23). CALIGULA: 1996. Steam Community Hub.