The Posthumous Investigation
Brás Cubas is dead, and he wants you to find out why. Explore a noir-drenched 1937 Rio de Janeiro in this time-loop murder mystery. Relive the same day, manipulate characters, and uncover secrets in a game where death is the client and time is your only weapon.
Last Updated: 1/22/2026
| Release Date | 11/6/2025 |
| Developer | Mother Gaia Studio |
| Publishers | |
| Steam App Id | 2466900 |
The Posthumous Investigation
Brás Cubas is dead, and he wants you to find out why. Explore a noir-drenched 1937 Rio de Janeiro in this time-loop murder mystery. Relive the same day, manipulate characters, and uncover secrets in a game where death is the client and time is your only weapon.
Last Updated: 1/22/2026
- Windows
- Mac
- Linux
About The Posthumous Investigation
The Posthumous Investigation is an Adventure, Indie, and Simulation game developed by Mother Gaia Studio. On 11/6/2025, it was released on the Steam Store by Nuuvem, Nuuvem Inc, CriticalLeap, and Mother Gaia Studio.
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, The Posthumous Investigation supports the following features:
- Family Sharing
- Full controller support
- Single-player
Media & Sceenshots
Watch the featured video for The Posthumous Investigation and see the latest screenshots from the Steam Store.
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Soures & References
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The Posthumous Investigation data has been sourced from:
- Valve Corporation. (2026, January 22). The Posthumous Investigation on Steam. Steam Store.
- Valve Corporation. (2026, January 22). The Posthumous Investigation. Steam Community Hub.
- Mother Gaia Studio. (2023, July 7). The Posthumous Investigation. The Posthumous Investigation.