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A Colony Siege 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 €8.22 (€8.60 with fees) at Gameboost · 4 verified stores, 4 offers in stock · Updated 01h 56min ago.

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Recommended by GoCDKeysiStore recommended by GOCDKEYS for this game
Instant Gaming 4.7 (843.1k)
Steam Card Top up your Steam Wallet and buy it there. View cards
Kinguin 4.6 (124.5k)
Subscription from 2.99€/month
-15%
Coupon
OCTGOC10 -10% copy Copied!
€8.90 €8.01 How to get this priceHow to get
Store Kinguin
Global Icon
Region Global
Steam Key
Best ratediThe store with the best user rating among the offers for this game · 4.6/5Cheapest deal Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.99
Eneba 4.4 (328.4k)
Coupon
Gocdkeys10 -10% copy Copied!
€9.76 €8.78 How to get this priceHow to get
Store Eneba
Global Icon
Region Global
Steam Key
Best ratediThe store with the best user rating among the offers for this game · 4.4/5Cheapest deal Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€1.30
Gameboost 4.4 (15.1k)
Coupon
GCDK13 -13% copy Copied!
€9.45 €8.22
Store Gameboost
Global Icon
Region Global
Steam Key
Best ratediThe store with the best user rating among the offers for this game · 4.4/5Cheapest deal Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.38
Gameboost 4.4 (15.1k)
Coupon
GCDK13 -13% copy Copied!
€9.45 €8.22
Store Gameboost
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.38
Kinguin 4.6 (124.5k)
Subscription from 2.99€/month
-15%
Coupon
OCTGOC10 -10% copy Copied!
€8.90 €8.01 How to get this priceHow to get
Store Kinguin
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.99
Eneba 4.4 (328.4k)
Coupon
Gocdkeys10 -10% copy Copied!
€9.76 €8.78 How to get this priceHow to get
Store Eneba
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€1.30
Key4Games 4.3 (37)
No code available
€43.14
Store Key4Games
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€1.91

How much does Colony Siege for PC cost right now?

Colony Siege for PC starts at €8.22 (€8.60 with fees) at Gameboost, a Steam key.

That €8.22 (€8.60 with fees) already includes the GCDK13 coupon, so apply it at checkout or the store will show you a higher price.

Only 4 offers across 4 stores carry it, and thin supply means the price barely moves.

It is €0.55 away from its all-time low (€8.90, back in September 2020).

Is it worth buying the Steam Key for Colony Siege now or waiting?

That €8.22 (€8.60 with fees) key is expensive for what it usually costs.

  • Those €8.22 (€8.60 with fees) are 26% above what it usually costs, measured on the store price.
  • Only 4 stores sell the Steam Key, and with that little competition the price barely moves.
  • Across the 1,405 days we have tracked it, it has only been pricier than today on 496 days. The lowest it has ever cost is €1.03.
If you do not need it today, waiting pays off: we have seen it at €1.03 and right now you would pay €7.87 more. We will tell you the day it drops.

Worked out from 1,810 daily records of the Steam Key for Colony Siege across 6 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 Colony Siege in US?

All 4 offers are Global, so the code redeems on any account no matter where it was created.

Why is there such an expensive Colony Siege offer?

One listing is worth ignoring: the Steam key that Key4Games has at €43.14 (€45.05 with fees) is more than 5 times the cheapest offer and is not what this game costs. The number to work from is €8.22 (€8.60 with fees) at Gameboost.

Do you want to buy Colony Siege for PC cheaper than in official stores?

Then from Gocdkeys, we recommend that you go for the digital version of the game. The digital versions of the PC games are available in cd key or digital code format, a quick and easy method to download games from the official download platforms such as Steam, Epic Store, Uplay and Origin, among many others.

What is Colony Siege 's cd key?

The cd key, or STEAM Key, is a digital code that will allow us to download the Colony Siege  game in our PC from the Steam game platform. A series of numbers and letters that when introduced in our library of games will allow us to download this game in digital form.

How can we find the cheapest price for the Colony Siege STEAM key?

That's our job and we do it very well! From Gocdkeys we offer a comparison of prices and stores that sell the digital version, in the form of code, STEAM key or Steam Gift of Colony Siege . Simply enter the list and you will see all prices ordered from lowest to highest, so it will be easier to find the best deals and prices in a complete selection of online stores specializing in the sale of digital games. 

You can use our filters to filter by versions or activation regions, to make it easier to find the cheapest Colony Siege edition that best suits your needs.

Can I trust the shops that sell Colony Siege in digital version?

At Gocdkeys we have been working for years to make sure that only the most reliable stores appear in our game price comparator. Each and every one of them has been checked by our team and they offer the best guarantees that the whole process, from the purchase to the delivery of the game keys, is done in the fastest and easiest way possible.

What digital versions of Colony Siege are available?

Although from Gocdkeys we indicate that this is the cd key, it can also be available in "Steam Gift" format which means that instead of receiving a code or digital key after purchase, we will receive an activation link, which will activate the game directly in our game library. Steam Gifts can be regionally locked, so please pay attention before purchasing this version.

You will see on a label, next to the price, the version or edition that is sold in each of the stores. If none of them appears, it means that it is a standard version of the game and in digital key format.

What do I do after buying the Colony Siege key in any of the stores that appear in Gocdkeys?

Now it's time to activate the game! Right after your purchase in any of the online stores listed in our platform, you will get in your email the digital code or key of the game. After that, and always depending on the version of the game you have bought (cd key or Steam Gift) you will have to enter this key in your "Game Library", in "Add product" and in a matter of seconds the download of the game will start.

If it's a Steam Gift version, simply log in to your account and click the activation link that we've sent you in your email.

Before you buy Colony Siege  you should know that...

Colony Siege is a hybrid of real-time strategy, survival and base defense. It fights in a wide variety of environments to defend the last human colonies from two unique threats. Survive alone or with a friend as you advance in a non-linear campaign.

Whether fighting the Xenos or the Riven, no colony building is safe from attack. While protecting the Citadel colony is your primary objective, the enemy will not discriminate when it comes to attacking your colony.

Defend yourself from the ruthless biomechanical swarm of Xenos and the corrupt Riven that was once human. The two enemy factions behave differently and require different tactics.

Defend yourself with powerful towers that automatically form walls when placed close to each other. Use unique traps to slow down, impale, burn or bomb the enemy. Build and command mobile ground units. Attack the enemy with satellite attacks, long-range missiles, commander skills and combat missions

Most common FAQs when buying Colony Siege for PC in digital format:

It is a key that will allow you to download the game Colony Siege on your PC from official download platforms.
As of 23/10/2026, in United States, the best price we have found in our selection of online stores that include the key for Colony Siege on PC is €8.22 (€8.60 with fees).
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 Colony Siege 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 Colony Siege, 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.

What do our users think of Colony Siege for PC Digital?

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Colony Siege

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What the press says

Average of 36 across 6 reviews
US 6

Hey Poor Player

60

Overall, Red Colony is a fun game, but not a great game. I think if the dialogue was polished up, if the weapon system was... Read more

Cubed3

50

Unpolished, unbalanced, feeling half-made, and being way too easy for an action-adventure dealing with a zombie apocalypse, Red Colony is hard to recommend to fans... Read more

Digitally Downloaded

40

I really don't know what the developer was trying to achieve with Red Colony, and I suspect the lack of cohesion is a result of... Read more

Gamers Heroes

30

Even the most devout survival horror fan will have trouble enjoying Red Colony. The overly basic puzzles, broken combat, and cliché plot all come together... Read more

About the game

Release date
21 Jul 2020
Genre
Strategy

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