Buy Extinction Day CD Key for PC

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The cheapest price is 19.99€ at Steam with a rating of 1.8 (3.7k reviews) · Version Steam Key · Region Global · We compare prices at 2 verified stores with 2 offers in stock · Updated on 17/07/2026 01h 00min. ago

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  • 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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If you want to pay the minimum, the offer from Steam in KEY format is the best option from 19.99€

Buying at Steam saves you -5% compared to the official store

Most users have had positive experiences buying at G2A4.0(340.9k) which has an offer with a price of 20.92€

Taxes not included! Taxes included!
Prices without final payment fees but with discount coupons applied. Prices include payment fees and any store discount code applied.
Key stores
4.0 (340.9k)
No code available
€20.92 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.06
Official stores
1.8 (3.7k)
No code available
€19.99
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees -

About Extinction Day

Humanity will do everything to survive.

You will make sure they don’t.

Unleash disasters, plagues, and war, and wipe them out before they escape to the Ark.

HOW YOU PLAY

• Deploy disasters, plagues, and warfare across the globe

• Gain resources from destruction and expand your reach

• Combine events to trigger devastating chain reactions

• Upgrade your abilities and shape your strategy

• Stop humanity’s desperate attempts to survive

HUMANITY FIGHTS BACK

They won’t go down without a fight.

• Governments mobilize to contain your disasters and secure key territories

• Scientists race to develop countermeasures and slow your expansion

• Global aid efforts stabilize regions and limit the damage you cause

• As the end approaches, humanity begins constructing a space Ark to escape

UNLEASH CATASTROPHES

There are many ways to end the world. Find yours.

• Trigger over 10 unique disasters, from plagues to global warfare

• Combine events to create powerful and unpredictable chain reactions

• Strike regions precisely with active abilities

• Experiment and discover the fastest path to extinction

MASTER YOUR STRATEGY

Every decision matters.

• Manage resources to fuel your expansion

• Choose your upgrade path and define your playstyle

• Unlock new abilities and strengthen your strategy

• Adapt as humanity evolves and pushes back

• Timing, positioning, and combinations make all the difference

GLOBAL DESTRUCTION, ENDLESS STRATEGIES

No two runs play the same.

• 18 campaign missions across 4 difficulty levels

• 28 challenge scenarios with unique rules

• Over 70 perks and upgrades to unlock

• 25+ achievements to complete

• Dozens of hours of replayable destruction


Everything you need to know to buy Extinction Day 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 Extinction Day for PC in digital format, although there may be others:

-Extinction Day Steam Account: This is an account that contains the game Extinction Day 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.

-Extinction Day Steam Key: It's a cd key that will allow us to activate Extinction Day 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.

-Extinction Day Steam Gift: It's a URL that will activate Extinction Day 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 Extinction Day for PC in Key or digital code format!

Can I activate the STEAM Key of Extinction Day in my region?


Digital formats of games, and in this case for Extinction Day, 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 Extinction Day in your corresponding region or in Global if you prefer not to take risks!

Are all stores selling Extinction Day 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.

Additional options to buy this game on Steam

If you prefer to buy this game on PC without linking a bank card, you can use a Steam Gift Card, a prepaid card that allows you to add balance to your account and purchase games directly on the Steam store.

In practice, a €50 Steam Gift Card is usually enough to buy most Steam games currently available and is redeemed using a digital code. It works with all PC games available on Steam and is a common alternative for buying games without entering payment details.

Most common FAQs when buying Extinction Day for PC in digital format:

It is a key that will allow you to download the game Extinction Day on your PC from official download platforms.
As of 17/07/2026, in United States, the best price we have found in our selection of online stores that include the key for Extinction Day on PC is €19.99.
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 Extinction Day 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 Extinction Day, 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.

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About of Extinction Day

Release date 04/10/2026
Users rating
0/5 (0 Comments)
Steam comments Mostly Positive Mostly Positive (186 Comments)
Categories
Action Action
Tags
Simulation Singleplayer Management Sandbox Atmospheric Resource Management God Game Dark Post-apocalyptic Grand Strategy

Languages

English*, French, Simplified Chinese, Russian, German, Spanish - Spain, Portuguese - Brazil*languages with full audio support

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