Buy Terraforming Mars CD Key for PC

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The cheapest price is 1.75€ (-67%) at K4G with a rating of 4.2 (17.1k reviews) · Version Steam Key · Region Global · We compare prices at 14 verified stores with 20 offers in stock · Updated on 02/08/2026 36min. 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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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
4.2 (17.2k)
Coupon
GCDK14DEAL -14% copy Copied!
€2.03 €1.75
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.22
3.8 (49.5k)
Subscription from 2.01€/month
-9%
Coupon
GCDKGamivo -23% copy Copied!
€2.10 €1.62 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.29
4.4 (309.2k)
Coupon
GOCDKEYS10 -10% copy Copied!
€2.04 €1.84 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.16
4.3 (2.7k)
Subscription from 4.99€/month
-8%
Coupon
GOCDKEYS10 -10% copy Copied!
€2.09 €1.88
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.58
4.4 (309.2k)
Coupon
GOCDKEYS10 -10% copy Copied!
€2.38 €2.14 How to get this price
Europe Icon
Region Europe
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.18
4.8 (2.5k)
No code available
€2.18
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.09
4.6 (118.9k)
Subscription from 2.99€/month
-15%
Coupon
AUGGOC10 -10% copy Copied!
€2.66 €2.39 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.29
4.2 (29.7k)
Coupon
Gocdkeys12 -12% copy Copied!
€2.85 €2.51
Europe Icon
Region Europe
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.80
4.0 (344.2k)
Coupon
GCKG2AV6R3N -32% copy Copied!
€2.78 €1.89 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.01
4.7 (830.7k)
No code available
€2.79
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.06
4.4 (309.2k)
Coupon
GOCDKEYS10 -10% copy Copied!
€3.35 €3.02 How to get this price
US Icon
Region US
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.26
2.3 (203)
No code available
€3.61
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€3.09
4.2 (29.7k)
Coupon
Gocdkeys12 -12% copy Copied!
€4.64 €4.08
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€1.05
4.4 (309.2k)
Coupon
GOCDKEYS10 -10% copy Copied!
€11.00 €9.90 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Bundle
Edition Bundle
Description Icon
Fees +€0.84
4.6 (118.9k)
Subscription from 2.99€/month
-15%
Coupon
AUGGOC10 -10% copy Copied!
€17.90 €16.11 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€1.97
4.0 (344.2k)
No code available
€24.21 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.07
Official stores
4.3 (629)
No code available
€5.34
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.60
4.0 (4)
No code available
€19.99
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees -
4.7 (43.9k)
No code available
€19.99
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees -
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 -
Go to FAQ's
Gocdkeys Recommendations What are you looking for? Select your region Which version do you prefer? Search results

The offer from K4G in KEY format for 1.75€ is currently the cheapest

Buying at K4G saves you 67% compared to the official store

Among the 14 available stores, the best rated store is YUPLAY4.8(2.5k) which has an offer of 2.18€ and many users have chosen this offer for the trust it offers

How much does Terraforming Mars for PC cost right now?

Terraforming Mars for PC starts at €1.75 at K4G, a Steam key, which is 91% under the €19.99 it costs on the official store.

That €1.75 already includes the GCDK14DEAL coupon, so apply it at checkout or the store will show you a higher price.

The listing shows 20 offers from 14 stores, though only 18 can be bought at this moment — the price above comes from those.

That puts it 65% under its average of €4.99 since 2018, so today is a better entry point than most days of its life.

Which editions are on sale?

Beyond the standard edition at €1.75, there is the Bundle at €9.90 at Eneba, €8.15 more. Check on the store what each one adds before paying the difference.

Can you activate it in your region?

18 of the 20 offers work on US — the Global ones plus the ones issued for your own region.

Why is one listing so expensive?

One listing is worth ignoring: the Steam key that G2A has at €24.21 is more than 13 times the cheapest offer and is not what this game costs. The number to work from is €1.75 at K4G.

So, which Terraforming Mars deal should you buy?

At €1.75, K4G is where this one settles.

At Terraforming Mars we will maintain a constant struggle for control of resources and the establishment of colonies on the red planet. Corporations are competing to transform Mars into a habitable planet by spending vast amounts of resources and money, but as the red planet becomes habitable, we will see population exoduses from the Earth to Mars, so we must be able to establish all these people and give them a dignified life.


We will be in charge of one of these mega corporations and our main task will be to decide how many resources are allocated and in what they are invested. Establishing a productive system, locating cities and green areas, and ultimately structuring the bases of the new civilization on Mars.


It is a turn-based strategy game, a faithful adaptation of the board game, in which we must select one of the corporations, create facilities, research innovative technologies and manage resources.

Most common FAQs when buying Terraforming Mars for PC in digital format:

It is a key that will allow you to download the game Terraforming Mars on your PC from official download platforms.
As of 02/08/2026, in United States, the best price we have found in our selection of online stores that include the key for Terraforming Mars on PC is €1.75.
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 Terraforming Mars 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 Terraforming Mars, 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 Terraforming Mars

Release date 10/19/2018
Users rating
0/5 (0 Comments)
Steam comments Mostly Positive Mostly Positive (5176 Comments)
Categories
Strategy Strategy
Tags
Strategy PvP Multiplayer Singleplayer Tabletop Management Turn-Based Strategy Difficult Turn-Based Board Game

Languages

English, French, Italian, German, Spanish - Spain, Swedish

Related news

feedburner | 2022-12-03

Farlanders is a turn-based citybuilder about terraforming Mars Read more

ign | 2022-05-20

Board Games on Sale at Amazon Today: Terraforming Mars, Scythe and More Read more

ign | 2022-05-17

Daily Deals: RTX 3070 Gaming Laptops From $1299.99, LEGO Horizon Forbidden West, Terraforming Mars, Pikmin 3 Read more

polygon | 2021-07-02

Terraforming Mars: Ares Expedition is faster than the original, but no less fiddly Read more

ign | 2019-05-29

Gloomhaven, Terraforming Mars, and More Board Games on Sale Read more


Requirements

  • PC
  • Mac

Minimum:

  • OS *: Windows 7 / Windows 8 / Windows 10
  • Dual Core 3.0 GHz
  • 4 GB RAM
  • 250 MB available space

Minimum:

  • OS X Moutain Lion
  • Intel Core i5
  • 2 GB RAM
  • Intel HD 4000
  • Network: Broadband Internet connection
  • 337 MB available space

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