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Q: Why is the Steam Key of The Posthumous Investigation safer than the account format?

The Steam Key format is what we always recommend due to its ease of use and higher security compared to any other format. You just need to redeem the key in your account to download The Posthumous Investigation to your game library. The account format requires more complicated steps and is more prone to errors during activation.

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The Posthumous Investigation Steam Key: compare prices (August 2026)

A The Posthumous Investigation Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €5.71 (-71%) at Gamivo, 71% below the €19.50 Steam price · 10 verified stores, 11 offers in stock · Updated 04min ago.

Steam Key

Cheapest

€6.72 €5.71 -71% Save €14 vs Steam View deal

GCDKGamivo

-15%

Copied!

Steam Key

Official store

€19.50 View deal

No code available

See 11 keys from €5.71

Historical prices

Medium price

Current minimum price

The Posthumous In… prices: 5-month price history →

Official stores are authorized distributors, and while their prices may be higher than Key stores, their reliability is 100%.

“Choose it if you don’t mind the price difference”

Key stores are resellers and marketplaces, which is why they are usually cheaper than official stores. We only show the best ones, so you can rest assured. Plus, we offer our guarantee against any issues.

“Choose it if you’re looking for a great discount”

Editions Standard

Format Steam Key

Global EU US UK

Official stores 4 stores Hide Accounts

Resellers

No payment fees With payment fees Basic price Fees incl.

Gamivo
Kinguin
Driffle
K4G
Eneba
Instant Gaming

Gamivo 3.8 (49.7k)

Subscription from 2.01€/month

€6.72 €6.18 How to get this priceHow to get

Store Gamivo

Region Global

Product type Steam Key

Edition Standard

Fees +€0.94

Kinguin 4.6 (120.4k)

Subscription from 2.99€/month

€7.55 €6.80 How to get this priceHow to get

Store Kinguin

Region Global

Product type Steam Key

Edition Standard

Fees +€0.83

Driffle 4.4 (9.2k)

Subscription from 4.99€/month

€7.62 €6.86

Product type Steam Key

K4G 4.3 (17.6k)

€8.19 €7.04

Product type Steam Key

Eneba 4.4 (312.9k)

€8.18 €7.36 How to get this priceHow to get

Store Eneba

Region Europe

Product type Steam Key

Eneba 4.4 (312.9k)

€8.99 €8.09 How to get this priceHow to get

Store Eneba

Region Global

Product type Steam Key

Edition Standard

Fees +€0.69

Instant Gaming 4.7 (833.8k)

No code available

€12.69

Store Instant Gaming

Region Global

Product type Steam Key

Edition Standard

Fees +€0.25

Official stores

Greenmangaming
Humble Bundle
GamersGate
Steam

Greenmangaming 4.7 (43.9k)

No code available

€13.60

Store Greenmangaming

Region Global

Product type Steam Key

Edition Standard

Fees -

Humble Bundle 3.7 (2.1k)

No code available

€16.99

Store Humble Bundle

Region Global

Product type Steam Key

GamersGate 3.6 (527)

Product type Steam Key

Steam 1.8 (3.7k)

Product type Steam Key

Edition Standard

Fees -

About The Posthumous Investigation

Master the Time Loop: You have one day to solve the crime. Learn the schedules of 14 unique characters, spot their contradictions, and manipulate their routines. Keep your knowledge when the day resets and stay one step ahead of the killer.

No hand-holding. Use your "Thinking Board" to link evidence, reconstruct the timeline, and accuse the culprit. Only pure logic will free you from the loop.

A Living Literary World: Experience a satirical, witty, and dark adaptation of Brazil’s legendary author, Machado de Assis. Your investigation takes you through a hand-drawn 1937 Rio de Janeiro that drips with style, sarcasm, and atmosphere.

How much does The Posthumous Investigation for PC cost right now?

The Posthumous Investigation for PC starts at €5.71 at Gamivo, a Steam key, which is 71% under the €19.50 it costs on the official store.

That €5.71 already includes the GCDKGamivo coupon, so apply it at checkout or the store will show you a higher price.

Supply is thin — 11 offers from 10 stores — and thin supply keeps prices steady rather than falling.

That puts it 16% under its €6.81 average of the last 5 months, so today is a better entry point than most.

Is it worth buying the Steam Key for The Posthumous Investigation now or waiting?

That €5.71 key is at its usual price: no bargain, no spike.

Those €5.71 are 6% above what it usually costs, measured on the store price.
10 stores sell the Steam Key at the same time, and with that much competition the price moves almost daily.
Not counting today, 66 days out of the 134 days on record were this cheap or cheaper; the lowest it has ever cost is €4.49.

It is not a bad price, but it is not this Steam Key's floor either. If you are in no rush, we will tell you the day it drops.

Worked out from 1,271 daily records of the Steam Key for The Posthumous Investigation across 11 stores. See the full price history.

The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.

Can you activate The Posthumous Investigation in US?

10 of the 11 offers work on US — the Global ones plus the ones issued for your own region.

Most common FAQs when buying The Posthumous Investigation for PC in digital format:

It is a key that will allow you to download the game The Posthumous Investigation on your PC from official download platforms.

As of 25/08/2026, in United States, the best price we have found in our selection of online stores that include the key for The Posthumous Investigation on PC is €5.71.

The Steam Key format is what we always recommend due to its ease of use and higher security compared to any other format. You just need to redeem the key in your account to download The Posthumous Investigation to your game library. The account format requires more complicated steps and is more prone to errors during activation.

The only issue we’ve encountered in 13 years is receiving a duplicate key that doesn’t work. In that case, simply contact the store where you bought The Posthumous Investigation, and they will provide a new key. You can also contact us, and we’ll help you out.

Delivery times vary by store. For example, in the case of Instatgaming, Eneba, G2a, or Kinguin, delivery is usually instant or takes just a few minutes. These stores rarely delay game deliveries.

Other stores may take 30–40 minutes depending on game availability. On release days, delivery times may be slightly longer.

If you notice an unusually long delay, contact the store or us, and we’ll resolve it as quickly as possible.

At Gocdkeys, we only list the most well-known stores that have passed our quality checks. One of the most important factors is good customer support, and all listed stores offer it.

There have been occasions when those services were overwhelmed, which is why we also offer 24/7 customer support to help resolve any issues or questions.

In any case, we always offer a 100% guarantee, so you won’t have any problems, and if you do, we’ll resolve them as soon as possible.

Need more help? Use our FAQs.

Gocdkeys - Transparency and credibility

At GOCDKEYS we display real prices from 49 verified stores. Some links may be affiliate links, which help us keep the service running at no extra cost to users. Prices and conditions are always exactly the same as those offered by the store. All stores go through our own store verification methodology, so you can buy with complete confidence.

If you have doubts before buying, we explain why CD keys are legal and break down the most common myths and facts about digital games, so you can make your decision with clear and up-to-date information.

More than 4.5M users in 14 years have trusted us to find the best deals — Trustpilot 4.1/5 ★
We compare 49 verified stores where we find the best deals for gamers
24/7 support to help you with any issues in your purchases
We track prices every 2 hours and sort by final cost - Last update: 2026-08-25 20:03:14

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The Posthumous Investigation

Is it worth it?

Very Positive 528 reviews on Steam

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What the press says

Gamer Social Club

For those looking for a shorter, narrative driven game to dive into, I highly recommend The Posthumous Investigation. It’s an intriguing character study that keeps... Read more

Manual dos Games

Posthumous Investigation doesn't just rely on paying homage to one of the great classics of Brazilian literature; beyond the retelling, it delivers a game that... Read more

GameBlast

The Posthumous Investigation is a well-executed game that stands out in the Brazilian indie scene by bringing together qualities that are difficult to find in... Read more