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Q: Why is the Steam Key of Hidden Deep 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 Hidden Deep to your game library. The account format requires more complicated steps and is more prone to errors during activation.

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Hidden Deep Steam Key: compare prices from 21 offers (August 2026)

A Hidden Deep 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 €3.44 (-83%) at Gamivo, 83% below the €19.99 Steam price · 14 verified stores, 21 offers in stock · Updated 05h 30min ago.

Steam Key

Cheapest

€4.05 €3.44 -83% Save €17 vs Steam View deal

GCDKGamivo

-15%

Copied!

Steam Key

Official store

€19.99 View deal

No code available

See 18 keys from €3.44

Historical prices

Medium price

Current minimum price

Hidden Deep prices: 12-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 Steam Gift

Global EU US UK

Official stores 4 stores Hide Accounts

Resellers

No payment fees With payment fees Basic price Fees incl.

Promoted store

Difmark Digital Keys 4.1 (14.2k)

Coupon

Gocdkeys -16%

Copied!

€6.60 €5.54

Store Difmark Digital Keys

Region Global

Product type Steam Key

Edition Standard

Fees +€0.46

Gamivo
Kinguin
Eneba
Driffle
Gameseal
YUPLAY
Cdkeys Com
Instant Gaming
G2A

Gamivo 3.8 (49.7k)

Subscription from 2.01€/month

€4.05 €3.12 How to get this priceHow to get

Store Gamivo

Region Global

Product type Steam Key

Edition Standard

Fees +€0.57

Kinguin 4.6 (120.4k)

Subscription from 2.99€/month

€3.86 €3.47 How to get this priceHow to get

Store Kinguin

Region Global

Product type Steam Key

Eneba 4.4 (312.9k)

€3.89 €3.50 How to get this priceHow to get

Store Eneba

Region Global

Product type Steam Key

Edition Standard

Fees +€0.30

Driffle 4.4 (9.2k)

Subscription from 4.99€/month

€4.02 €3.62

Product type Steam Key

Eneba 4.4 (312.9k)

€4.27 €3.84 How to get this priceHow to get

Store Eneba

Region Europe

Product type Steam Key

Edition Standard

Fees +€0.33

Gameseal 4.3 (16.3k)

Subscription from 2.49€/month

€4.90 €4.07

Product type Steam Key

YUPLAY 4.8 (2.5k)

Product type Steam Key

Edition Standard

Fees +€0.16

Gamivo 3.8 (49.7k)

Subscription from 2.01€/month

€4.99 €3.84 How to get this priceHow to get

Store Gamivo

Region Europe

Product type Steam Key

Edition Standard

Fees +€0.70

Cdkeys Com 4.8 (224.4k)

Product type Steam Key

Edition Standard

Fees -

Kinguin 4.6 (120.4k)

Subscription from 2.99€/month

€5.25 €4.73 How to get this priceHow to get

Store Kinguin

Region Europe

Product type Steam Key

Edition Standard

Fees +€0.58

Instant Gaming 4.7 (833.8k)

No code available

€5.09

Store Instant Gaming

Region Global

Product type Steam Key

G2A 4.0 (346.2k)

€5.70 €3.71 How to get this priceHow to get

Store G2A

Region Global

Product type Steam Key

Edition Standard

Fees +€0.02

G2A 4.0 (346.2k)

No code available

€6.16 How to get this priceHow to get

Store G2A

Region Europe

Product type Steam Key

Edition Standard

Fees +€0.02

Kinguin 4.6 (120.4k)

Subscription from 2.99€/month

€23.78 €21.40 How to get this priceHow to get

Store Kinguin

Region Europe

Product type Steam Gift

Edition Standard

Fees +€2.62

G2A 4.0 (346.2k)

No code available

€22.63 How to get this priceHow to get

Store G2A

Region Europe

Product type Steam Gift

G2A 4.0 (346.2k)

€23.55 €23.31 How to get this priceHow to get

Store G2A

Region Global

Product type Steam Gift

Edition Standard

Fees +€0.07

Official stores

Greenmangaming
GamesPlanet
GamersGate
Steam

Greenmangaming 4.7 (43.9k)

No code available

€7.20

Store Greenmangaming

Region Global

Product type Steam Key

Edition Standard

Fees -

GamesPlanet 4.3 (629)

No code available

€19.22

Store GamesPlanet

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 Hidden Deep

Hidden Deep is a 2D action & exploration sci-fi thriller set in a mining and research facility – more than a mile under the ocean floor.

A group of researchers detected strange anomalies of unknown nature and organized an expedition to examine the mysterious phenomenon. Suddenly, after 681 days, contact with the researchers breaks off. You are the leader of the second team: Go down there, find out what happened, rescue anybody who is alive.

COMMAND YOUR TEAM – OPERATE EQUIPMENT – FACE UNKNOWN HORRORS

Control your team members directly or by giving orders. Accomplish your mission by coordinating different tasks. Explore the sub oceanic caves by using specialized equipment: grappling hooks, scanners, drones and heavy machinery are all part of your arsenal.

Defend against horrific alien life forms and other, undiscovered horrors that lurk in the deep.

MULTIPLE GAME MODES – ALONE OR IN LOCAL CO-OP

-Single-Player campaign with hand-crafted levels.
-Challenge Mode for single and local co-op play where you can tackle various mission goals in randomized levels.

FEATURES

Rich dark sci-fi story. The story pays tribute to 80's and 90's games and movie classics like Aliens, The Thing, and Half-Life.
Tons of tools to use from grappling hooks and scanners to drones, weapons and heavy machinery.
Over 20 hours of gameplay in story mode (will be completed within the game’s Early Access period).
Challenge mode for even more adventures in the deep.
Local co-op and Remote Play co-op already available (Online co-op will be introduced within the game’s Early Access period).

How much does Hidden Deep for PC cost right now?

Hidden Deep for PC starts at €3.44 at Gamivo, a Steam key, which is 83% under the €19.99 it costs on the official store.

That €3.44 already includes the GCDKGamivo coupon, so apply it at checkout or the store will show you a higher price.

With 21 offers across 14 stores there is enough competition for the price to move, so the gap between the cheapest and the rest is worth checking before you buy.

That puts it 12% under its average of €3.93 since 2022, so today is a better entry point than most days of its life.

Steam Key

€3.44

with coupon ~~€4.05~~

Stays on your account for good

Steam Gift

€21.40

with coupon ~~€23.78~~

Pricier and more likely to fail

Is it worth buying the Steam Key for Hidden Deep now or waiting?

That €3.44 key is at its usual price: no bargain, no spike.

Those €3.44 are 15% below what it usually costs, measured on the store price.
14 stores sell the Steam Key at the same time, and with that much competition the price moves almost daily.
Not counting today, 230 days out of the 904 days on record were this cheap or cheaper; the lowest it has ever cost is €1.95.

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 2,543 daily records of the Steam Key for Hidden Deep across 21 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.

Which Hidden Deep format should you buy?

By format: Steam Key from €3.44 and Steam Gift from €21.40.

Can you activate Hidden Deep in US?

14 of the 21 offers work on US — the Global ones plus the ones issued for your own region.

Why is there such an expensive Hidden Deep offer?

One listing is worth ignoring: the Steam gift that G2A has at €23.55 is more than 6 times the cheapest offer and is not what this game costs. The number to work from is €3.44 at Gamivo.

WHAT CAN YOU FIND ON GOCDKEYS?

You will find a price comparison in different stores for the standard PC edition of the video game Hidden Deep in Steam Key format, to make it easier for you to find the cheapest price or the best deal.

WHAT YOU SHOULD KNOW BEFORE BUYING Hidden Deep?

What does this product include?

It includes the Hidden Deep video game for PC, although some stores may include special editions with additional content such as a Deluxe or Ultimate edition.

Are there regional restrictions for this PC game?

This product may be global or include region restrictions that only allow you to activate it in specific areas of the world such as Europe, USA or UK. Check carefully! We will let you know if there are any regional restrictions.

How will I receive the product after I purchase it?

Your product will be delivered immediately after payment via email, where you will receive a digital code, also called CD Key, which you can redeem without any problems in the official Steam store.

REASONS TO BUY Hidden Deep FOR PC

1- Hidden Deep is a science fiction thriller in which you will be in charge of a scientific expedition that intends to explore an ancient subway complex where the expedition that preceded them disappeared. The investigation was intended to analyze some strange subway events, but suddenly the expedition stopped showing signs of life.

2- Explore the subway system in search of survivors of the first expedition. Use all kinds of tools such as hooks, scanners, drones and heavy machinery are part of your arsenal.

3- Face the strange creatures that dwell in the darkest of the tunnels. You will have fire weapons to defend yourself from their attacks.

Most common FAQs when buying Hidden Deep for PC in digital format:

It is a key that will allow you to download the game Hidden Deep on your PC from official download platforms.

As of 23/08/2026, in United States, the best price we have found in our selection of online stores that include the key for Hidden Deep on PC is €3.44.

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 Hidden Deep 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 Hidden Deep, 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: 2026-08-23 02:02:32

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Hidden Deep

Is it worth it?

Mostly Positive 4,272 reviews on Steam

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What the press says

Gamersky

Hidden Deep uses a realistic physics engine and a spooky atmosphere to set up a good adventure stage for players. Read more

INVEN

'Hidden Deep' is a horror action game vividly showing the fear come from the unknown deep sea. Somewhat its controls are uncomfortable, but they were... Read more