The Posthumous Investigation game cover

The Posthumous Investigation CD Key

Looking for the best price for The Posthumous Investigation? Compare offers from 9 stores on CheckGamePrices to find the cheapest Steam key available. Right now, the lowest price is 7.82$ at Eneba, which is 61% cheaper than the current Steam price (19.99$).

Current Lowest Price

7.82$
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Eneba - The Posthumous Investigation Steam Key (PC) EUROPE

7.82$

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Gamivo - The Posthumous Investigation EN/JA/PT/RU/ZH/ZH Global

11.03$

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Kinguin

11.80$

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GreenManGaming - The Posthumous Investigation

13.11$

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K4G

13.72$

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Instant Gaming store logo
Instant Gaming - The Posthumous Investigation

14.29$

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Fanatical - The Posthumous Investigation

16.04$

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GamersGate - The Posthumous Investigation

19.99$

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Steam

19.99$

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Release Date

31 Mar, 2026

Publisher/Developer

Mother Gaia Studio, CriticalLeap, Infini Fun

Reviews

Steam: 94.17% positive (533/566)
Metacritic: 77/100
Check more Steam statistics for The Posthumous Investigation

Game Tags

System Requirements

Minimum:
  • Requires a 64-bit processor and operating system
  • OS *: Windows 7
  • Processor: Multi-core 1.8GHz or faster
  • Memory: 4 GB RAM
  • Graphics: NVIDIA GeForce GTX 760 or equivalent
  • Storage: 3 GB available space

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The Posthumous Investigation Steam Price History Chart

Current Steam price: 19.99$
Lowest Steam price ever: 16.99$ — 2026-10-15
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