What is the key for ZERO PROTOCOL on PC?

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

What's the best price for buying the key of ZERO PROTOCOL for PC?

As of 05/12/2025, in United States, the best price we have found in our selection of online stores that include the key for ZERO PROTOCOL on PC is €0.81.

Which digital format of ZERO PROTOCOL should I buy for PC? An Account or a Steam Key ?

The account format is cheaper but has a more complicated activation process compared to a simple key or code. It may also cause access issues in the future, which is why we only recommend it to users who are familiar with this format or have used it before. If you’re looking for a simpler and safer activation process and don’t mind paying a bit more, we recommend buying the Steam Key format.

If I buy the account format of ZERO PROTOCOL, will the store provide all the activation instructions?

Yes, stores that sell this format usually guide users through the entire activation process, and if any issues arise, they offer customer support services. And if they don’t help, don’t worry—we’re here to assist you too.

Why is the Steam Key of ZERO PROTOCOL 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 ZERO PROTOCOL to your game library. The account format requires more complicated steps and is more prone to errors during activation.

What issues can arise when activating a Steam Key of ZERO PROTOCOL?

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 ZERO PROTOCOL, and they will provide a new key. You can also contact us, and we’ll help you out.

How long will I have to wait to receive the Steam Key of ZERO PROTOCOL after purchasing it from a store?

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.

What guarantee do I have that the listed stores are reliable?

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.

Can I return a digital game for PC?

Some digital formats allow returns under certain conditions.

The store does not send my order and does not respond to support. What can I do?

Don't worry, we have the solution. We will handle it ourselves.

The final price is higher than indicated.

Many stores add payment fees, taxes,... in the cart. So be prepared to spend a little more.

I'm desperate: They don't send me the game, the store ignores me. I think I've lost my money.

Calm down, don't panic. Contact us and we will help you resolve it as soon as possible.

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Best offers for ZERO PROTOCOL Steam Key for PC (December 2025)

The cheapest price is 0.81€ (-93%) at Kinguin with a rating of 4.5 (79.8k reviews) · Version Steam Key · Region Global · We compare prices at 3 verified stores with 4 active offers · Updated on 05/12/2025 07h 39min. ago

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4.7(739.3k)

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-93%

Cheapest keys store

4.5(79.8k)

€0.81 €0.90

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-10%

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1.8(3.7k)

€11.79

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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”

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In the event that the game is out of stock or only available in a format such as accounts or physical, we will offer the possibility of an exchange for a prepaid card for the minimum value of the game on our platform.
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You have enough tickets!

( You have )

Product you are redeeming

We will start the verification process of your account, which may take 48-72 hours.
If you have not broken any of our rules, we will send you the cheapest version of the game to the email address associated with your account.
In the event that the game is out of stock or only available in a format such as accounts or physical, we will offer the possibility of an exchange for a prepaid card for the minimum value of the game on our platform.
For console games, a prepaid card of different amounts will be given instead of the game, due to regional limitations.
Your tickets will disappear from your account
This promotion is only available to US, UK and EU users.
Game redemption is only allowed once every 6 months per user.

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The cheapest offer is from Kinguin in KEY format for a price of 0.81€

Buying at Kinguin saves you 93% compared to the official store

Most users have had positive experiences buying at Kinguin4.5(79.8k) which has an offer with a price of 0.81€

At Gocdkeys our recommendation is to always buy the KEY format, preferably from Instantgaming due to its reliability. If you prefer the account format, which is cheaper, we recommend buying from Difmark.

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4.5 (79.8k)

Subscription from 2.99€/month

-15%

GOC10DEC for -10%

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€0.90 €0.81

Region Global

Product type Steam Key

Delivery 5' - 10'

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4.3 (2.7k)

Subscription from 4.99€/month

-8%

GOCDKEYS10 for -10%

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€1.37 €1.23

Region Global

Product type Steam Key

Delivery Instant

Fees +€0.50

4.5 (79.8k)

Subscription from 2.99€/month

-15%

GOC10DEC for -10%

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€2.33 €2.10

Region Europe

Product type Steam Key

Delivery 5' - 10'

Fees +€0.15

Official stores

Steam

1.8 (3.7k)

No code available Copied!

€11.79

Region Global

Product type Steam Key

Delivery Instant

Fees -

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Everything you need to know to buy ZERO PROTOCOL for PC at the best price

Assuming we all know what digital versions of games are, which usually come in digital code, key or Steam Key format, let's highlight the 3 most interesting formats for buying ZERO PROTOCOL for PC in digital format, although there may be others:

-ZERO PROTOCOL Steam Account: This is an account that contains the game ZERO PROTOCOL already installed. It's cheaper than the rest, but it may violate certain platform policies, and its activation process is not as straightforward as digital keys.

-ZERO PROTOCOL Steam Key: It's a cd key that will allow us to activate ZERO PROTOCOL on our Steam account. It's the most recommended digital version, for its price and ease of activation. If you want to know how to activate this format easily, you can visit our blog with the entire activation process for keys on Steam.

-ZERO PROTOCOL Steam Gift: It's a URL that will activate ZERO PROTOCOL on your account and leave everything ready for you to start downloading the game. It's a cheap format with very fast activation, but it has more problems than the other formats.

Our recommendation: Buy ZERO PROTOCOL for PC in Key or digital code format!

Can I activate the STEAM Key of ZERO PROTOCOL in my region?

Digital formats of games, and in this case for ZERO PROTOCOL, often have different activation regions. Currently, at Gocdkeys, we differentiate 4 regions:

Global: Which means you can activate that game anywhere in the world.

EU: You can only activate that digital key in regions or countries within the European Union.

US: It's only possible to activate that code in North America.

UK: It's only possible to activate that key in the United Kingdom.

Our recommendation: Buy ZERO PROTOCOL in your corresponding region or in Global if you prefer not to take risks!

Are all stores selling ZERO PROTOCOL for PC reliable?

We have 13 years of experience in the digital gaming market and have always resolved any issues our users have had with any store. So, you should trust us, as we will respond to any problems that arise with any of the stores we list. Just contact us and we will help you.

Information about ZERO PROTOCOL for PC

Enter the enigmatic world of the IAS Antarctic Research Complex, where your survival becomes a constant struggle in this first-person sci-fi thriller. Face challenges that require wits and skill: you'll need to select passwords to access doors, search for keycards for terminals, repair broken devices, and combine items. This game won't make things easy for you, so be prepared to think critically.

Even though you have a gun, the feeling of safety is short-lived. The enemies lurking in this environment are lethal, and not all of them can be eliminated. The graphics evoke the aesthetics of classic 3D titles such as Zero Tolerance, System Shock, and Half-Life, creating a dense and oppressive environment that reinforces the sense of danger. Carefully crafted sound effects add an extra layer of tension to the experience.

The balance between clarity and madness is key in this game. Every decision you make, whether conscious or impulsive, will have repercussions that will lead you down different paths. As you explore, you'll need to keep an eye out for details and clues that can help you unravel the complex's secrets.

With each step, the player will be forced to adapt and react to a hostile environment. Combining elements and strategically using resources will be essential to progressing through the story. Immersion in this eerie world feels palpable, making every action count in your search for answers.

Most common FAQs when buying ZERO PROTOCOL for PC in digital format:

What is the key for ZERO PROTOCOL on PC?

It is a key that will allow you to download the game ZERO PROTOCOL on your PC from official download platforms.
What's the best price for buying the key of ZERO PROTOCOL for PC?

As of 05/12/2025, in United States, the best price we have found in our selection of online stores that include the key for ZERO PROTOCOL on PC is €0.81.
Why is the Steam Key of ZERO PROTOCOL safer than the account format? See more

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 ZERO PROTOCOL to your game library. The account format requires more complicated steps and is more prone to errors during activation.
What issues can arise when activating a Steam Key of ZERO PROTOCOL? See more

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 ZERO PROTOCOL, and they will provide a new key. You can also contact us, and we’ll help you out.
How long will I have to wait to receive the Steam Key of ZERO PROTOCOL after purchasing it from a store? See more

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.
What guarantee do I have that the listed stores are reliable? See more

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.

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What do our users think of ZERO PROTOCOL for PC Digital?

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About of ZERO PROTOCOL

Release date	09/26/2024
Users rating	5/5 (1 Comments)
Steam comments	Very Positive Very Positive (315 Comments)
Categories	Adventure
Tags Adventure Singleplayer 3D Choices Matter Story Rich Controller Exploration Horror Psychological Horror Puzzle