The Posthumous Investigation
A dead man hired you to solve his own murder. You have one day. Fourteen suspects. And as many attempts as it takes. A hand-drawn noir mystery set in 1937 Rio de Janeiro, where every suspect has a life, a schedule, and something to hide.
- Price:$19.99
- Release Date:3/31/2026
- Developer:Mother Gaia Studio
- Publishers:
- Last Updated:4/25/2026
- Steam App Id:2466900
The Posthumous Investigation
- Windows
- Mac
- Linux
- Steam Deck (Playable)
Steam Charts, Stats, and Live Player Count
At the moment, The Posthumous Investigation has 72 concurrent players online and in-game. This is 72% lower than its previous all-time peak of 260 players achieved on 4/5/2026.
The Posthumous Investigation Review
The Posthumous Investigation has achieved a Steambase Player Score of 96 / 100. This score is calculated from 402 total reviews on the Steam store — giving it a Very Positive rating. These are split between 386 positive reviews, 16 negative reviews, and will be updated in real-time as more players leave their feedback.
Track historical reviews and overall rating trends for The Posthumous Investigation using the chart below.
The Posthumous Investigation Price
The Posthumous Investigation costs $19.99 in the Steam store as of 4/25/2026. It can be purchased as a standalone game or through a bundle like The Posthumous Investigation of the Golden Idol which offers a discount off the game's base price.
Explore the price history chart below to track historical price changes and other pricing stats for The Posthumous Investigation.
The Posthumous Investigation Deals & Discounts
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About The Posthumous Investigation
The Posthumous Investigation is an Indie, Casual, Adventure, and Simulation game developed by Mother Gaia Studio. On 3/31/2026, it was released on the Steam Store by Nuuvem, Infini Fun, Nuuvem Inc, CriticalLeap, and Mother Gaia Studio.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play The Posthumous Investigation on the Steam Deck but some functionality may not be fully supported.
It also supports 6 languanges in-game including English, Portuguese-Brazil, Japanese, Russian, and Chinese (Simplified). Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, The Posthumous Investigation supports the following features:
- Steam Achievements
- Steam Cloud
- Full controller support
- Single-player
- Family Sharing
From the Steam community, The Posthumous Investigation has been tagged with the following user tags:
- Adventure
- Singleplayer
- 2D
- Exploration
- Drama
- Supernatural
- Atmospheric
- Investigation
- Multiple Endings
- Time Manipulation
- Story Rich
- Visual Novel
- Historical
- Stylized
- Puzzle
- Choices Matter
- Comedy
- Hand-drawn
- Noir
- Conversation
- Logic
- Mystery
- Crime
- Detective
- Funny
- Point & Click
Media & Sceenshots
Watch the featured video for The Posthumous Investigation and see the latest screenshots from the Steam Store.
Related Bundles
The Posthumous Investigation is included in 1 bundle in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | The Posthumous Investigation of the Golden Idol | 2 | 2 | $34.18 | View |
Related Packages
The Posthumous Investigation is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| The Posthumous Investigation | $17.99 | View |
Supported Languages
The Posthumous Investigation is available in 6 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Portuguese-Brazil | Yes | No | Yes |
| Japanese | Yes | No | Yes |
| Russian | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |
| Chinese (Traditional) | Yes | No | Yes |
More Steam Charts
Track historical trends for The Posthumous Investigation community hub members and its growth over time. It currently has 996 followers in its community.
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
The Posthumous Investigation data has been sourced from:
- Valve Corporation. (2026, April 25). The Posthumous Investigation on Steam. Steam Store. https://store.steampowered.com/app/2466900
- Valve Corporation. (2026, April 25). The Posthumous Investigation. Steam Community Hub. https://steamcommunity.com/app/2466900
- Mother Gaia Studio. (2023, July 7). The Posthumous Investigation. The Posthumous Investigation. https://mothergaia.com.br/the-posthumous-investigation/