Terraforming Mars key from $2.03
The cheapest worldwide (GLOBAL) Terraforming Mars key costs $2.03 as Steam at GAMIVO. We compare 8 offers from GAMIVO, Kinguin, Gameseal, Green Man Gaming; publisher Twin Sails Interactive.
Cheapest by platform
- Steam$2.03GAMIVO
Cheapest by region
- GLOBAL$2.03Steam
- EUROPE$2.25Steam
Where to buy Terraforming Mars cheapest
- GGAMIVO★ 3.9 Trustpilot Terraforming MarsStandardSteamKeyGLOBAL $2.03 BUY ↗
- KKinguin★ 4.6 Trustpilot Terraforming MarsStandardSteamKeyRegion: check $2.19 BUY ↗
- GSGameseal★ 4.2 Trustpilot Terraforming MarsStandardSteamKeyGLOBAL $2.25 BUY ↗
- GSGameseal★ 4.2 Trustpilot Terraforming MarsStandardSteamKeyEUROPE $2.25 BUY ↗
- KKinguin★ 4.6 Trustpilot Terraforming MarsStandardSteamKeyEUROPE $2.98 BUY ↗
- GSGameseal★ 4.2 Trustpilot Terraforming MarsStandardSteamGiftGLOBAL $5.44 BUY ↗
- GMGGreen Man Gaming Terraforming MarsStandardSteamKeyRegion: check $22.43 BUY ↗
- KKinguin★ 4.6 Trustpilot Terraforming MarsStandardSteamGiftRegion: check $25.12 BUY ↗
No offer matches the filter – try “All regions”.
Stores, ratings and payment fees
- GAMIVO Trustpilot (50,496 reviews)Marketplace – verified sellers. A service fee based on the payment method is added at checkout.
- Kinguin Trustpilot (122,145 reviews)Marketplace – verified sellers. A payment-method fee may be added at checkout.
- Gameseal Trustpilot (18,391 reviews)Digital key store. Any payment fee is shown in the cart before you pay.
Compared prices exclude payment fees – you always see the final amount in the store’s cart before paying. Ratings checked 2026-11-05.
DLC and expansions for Terraforming Mars (12)
- KKinguin★ 4.6 Trustpilot Terraforming Mars - Hellas & Elysium DLCStandardSteamKeyRegion: check $0.20 BUY ↗
- GGAMIVO★ 3.9 Trustpilot Terraforming Mars - Hellas & Elysium DLCStandardSteamKeyGLOBAL $0.20 BUY ↗
- GSGameseal★ 4.2 Trustpilot Terraforming Mars - PreludeStandardSteamKeyGLOBAL $0.29 BUY ↗
- GGAMIVO★ 3.9 Trustpilot Terraforming Mars: Prelude DLCStandardSteamKeyGLOBAL $0.30 BUY ↗
- KKinguin★ 4.6 Trustpilot Terraforming Mars - Prelude DLCStandardSteamKeyRegion: check $0.33 BUY ↗
- GGAMIVO★ 3.9 Trustpilot Terraforming Mars - Original Promo Pack DLCStandardSteamKeyGLOBAL $0.70 BUY ↗
- KKinguin★ 4.6 Trustpilot Terraforming Mars - Venus Next DLCStandardSteamKeyRegion: check $0.90 BUY ↗
- GGAMIVO★ 3.9 Trustpilot Terraforming Mars - Venus Next DLCStandardSteamKeyGLOBAL $0.92 BUY ↗
- KKinguin★ 4.6 Trustpilot Terraforming Mars - Original Promo Pack DLCStandardSteamKeyRegion: check $1.00 BUY ↗
- KKinguin★ 4.6 Trustpilot Terraforming Mars - Big Box Promo Pack DLCStandardSteamKeyRegion: check $2.48 BUY ↗
- GGAMIVO★ 3.9 Trustpilot Terraforming Mars - Big Box Promo Pack DLCStandardSteamKeyGLOBAL $2.86 BUY ↗
- GSGameseal★ 4.2 Trustpilot Terraforming Mars - Big Box Promo PackStandardSteamKeyGLOBAL $3.31 BUY ↗
Check these stores too
We don’t compare these partners automatically yet – the link opens a search for Terraforming Mars directly at the store.
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Terraforming Mars: regions, activation and buying a key
Which Terraforming Mars key works in my country?
GLOBAL keys activate anywhere. EUROPE keys work for accounts in Europe, US / NA keys in the United States (often also Canada), UK keys in the United Kingdom, and ROW (rest of world) keys only outside Europe, the US and the UK. Choose your region above and the list shows only keys you can activate. Offers marked “Region: check” don’t state the region in the title – read the product description first. Keys locked to single countries (Turkey, Argentina, India…) are not listed.
How do I activate a Terraforming Mars key?
Terraforming Mars is offered as Steam. After payment the code arrives by e-mail or in your store account. Activate Steam keys in the Steam client via Add a Game → Activate a Product on Steam, Xbox and PlayStation codes in their stores and Ubisoft Connect keys in the Ubisoft app. The exact steps are in the product description.
What is the difference between a key, a gift and an account?
A key is a code you activate on your own account. A gift is sent by the store to your account as a gift. A shared account is not your own account – that’s why accounts are hidden by default.
Why is Terraforming Mars cheaper than on Steam?
Key stores buy licences in bulk or regionally and resell them for less. We take prices from official partner feeds once a day, so they may differ slightly – the store price is binding. Stores list prices in EUR, so USD and GBP prices are converted at the daily exchange rate and are approximate.