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The Callisto Protocol (PC) Key

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You will find a price comparison of the digital version, in Steam Key or Steam Gift format, for PC of the video game The Callisto Protocol, to make it easier for our users to find the best prices and offers in the most prominent online stores to make it easier to find the cheapest price or the best deal.


What is the The Callisto Protocol STEAM Key?

Relax, it's nothing unusual, in fact it's the most common method of buying pc games!

A Key is a digital code (a set of letters and serial numbers) that you can redeem quickly and easily within the official Steam video game platform in exchange for a digital copy of The Callisto Protocol for PC.

What does this product include?

Everything you need to start playing from home in minutes!

It includes the The Callisto Protocol video game for PC, although some stores may include special editions with additional content such as a Deluxe or Ultimate edition. Also some stores may sell "Preorder Bonus" which means that version comes with extra content, such as DLC or cosmetics.

Are there regional restrictions for this PC game?

Beware, many of the Steam Gift that stores sell are region locked!

This product can 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 tell you if there are regional restrictions.

If it is a STEAM Key it does not usually have a regional lock, but STEAM Gift usually do have regional locks.

How will I receive the The Callisto Protocol key after I buy it?

In the easiest way you can imagine, directly to your email in minutes!

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

How do I activate the The Callisto Protocol Steam Key in my account?

If it's a STEAM Key it's very simple, but a STEAM GIft has a little more complication!

- If you don't already have the Steam video game platform installed on your PC, go to STEAM and click on the "Install Steam" icon in the top right.
- If you already have Steam installed on your PC, log in to your personal account. If you do not have a Steam account, you must register by selecting the "Login" option and then clicking on the "Join Steam" icon.
- Go to the "Games" section in the main MENU.
- Select the option "Activate Product on Steam".
- Follow the instructions on the screen and enter the The Callisto Protocol Key that you have previously received in the mail.
- The download will start automatically.

REASONS TO BUY The Callisto Protocol FOR P

1- The Callisto Protocol is a third-person horror shooter that will transport you to a distant prison located on Callisto, a dead moon of Jupiter. You'll play as the recently arrived Jacob Lee, one of the condemned in this remote place. But you soon discover that everything is in chaos, that the cells are open and that there is something terrifying free besides the prisoners...

2- It's time for you to fight for your life using the scarce weaponry you can find. Use a combination of melee and ranged combat to face the dangers of the prison until you find a way out.

3- Move through the oppressive scenarios of the prison's interior and Calisto's surface where you will feel a first-person experience of psychological terror. Unravel the terrifying mysteries hidden in the depths of the planet and never lose your cool if you intend to survive.

System Requirements

  • Requires a 64-bit processor and operating system
  • OS: Windows 10/11
  • Processor: Intel Core i5-7500 / AMD Ryzen 3 1200 4 Cores
  • Memory: 8 GB RAM
  • DirectX: Version 11

  • Requires a 64-bit processor and operating system
  • OS: Windows 10/11
  • Processor: AMD Athlon 5350 (6 Available Cores )
  • Memory: 8 GB RAM
  • DirectX: Version 12
For more info:

Comments and reviews

Yup that's right, but more brutal one which I like the most about any third-person horror games! hope it dosn't have any series bugs on luanch cause it will effect it badly.


That looks pretty good :) A bit like deadspace... I might give it a shot. The Callisto Protocol is a third-person horror shooter that will transport you to a distant prison located on Callisto, a dead moon of Jupiter. Exactly like dead space !