Buy Mars Horizon Steam Key
Mars Horizon Steam Key: compare prices from 12 offers (October 2026)
A Mars Horizon 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 €3.80 (€4.68 with fees) at Gamivo · 8 verified stores, 12 offers in stock · Updated 01h 50min ago.
Steam Key
Prices change depending on the selected payment method.
Final prices with fees
How much does Mars Horizon for PC cost right now?
Mars Horizon for PC starts at €3.80 (€4.68 with fees) at Gamivo, a Steam key.
That €3.80 (€4.68 with fees) already includes the GCDKGamivo coupon, so apply it at checkout or the store will show you a higher price.
The cheapest one listed, €4.39 (no fees) at Instant Gaming, is out of stock. The cheapest you can actually buy today is €3.80 (€4.68 with fees) at Gamivo.
With 12 offers across 8 stores there is enough competition for the price to move, so the gap between the cheapest and the rest is worth checking before you buy.
Steam Key
Steam Gift
Is it worth buying the Steam Key for Mars Horizon now or waiting?
That €3.80 (€4.68 with fees) key is expensive for what it usually costs.
- Those €3.80 (€4.68 with fees) are 21% above what it usually costs, measured on the store price.
- 8 stores sell the Steam Key at the same time, and with that much competition the price moves almost daily.
- Across the 1,394 days we have tracked it, it has only been pricier than today on 576 days. The lowest it has ever cost is €1.02.
Worked out from 2,717 daily records of the Steam Key for Mars Horizon across 18 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.
Which Mars Horizon format should you buy?
By format: Steam Key from €3.80 (€4.68 with fees) and Steam Gift from €16.76 (€17.05 with fees).
Can you activate Mars Horizon in US?
8 of the 12 offers work on US — the Global ones plus the ones issued for your own region.
Is Mars Horizon worth it?
Critics put it at 74 out of 100, though there are only 12 reviews published so far.
Why is there such an expensive Mars Horizon offer?
One listing is worth ignoring: the Steam key that Kinguin has at €1,106.55 (€1,194.94 with fees) is more than 255 times the cheapest offer and is not what this game costs. The number to work from is €3.80 (€4.68 with fees) at Gamivo.
Most common FAQs when buying Mars Horizon for PC in digital format:
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.
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.
Mars Horizon
Is it worth it?
- 70/100Critics' average scoreOpenCritic · Fair
- 67%Critics recommend it12 critic reviews
What the press says
Mars Horizon is a game that anyone who ever wanted to be an astronaut dreamed of having. The ambient music sets the tone for players... Read more
Though it isn’t the perfect space game, it’s a pretty darn good one. It gives you so much to think about, but it never feels... Read more
A fun management game about running a space program and shooting for the stars that sacrifices some of the visual wonder of space travel in... Read more
A space agency simulator which overcomes its PC roots and primitive presentation to become a highly addictive and original strategy game. Packed with space facts... Read more
You’ll grind your teeth when you’re the last man on the moon, but the more you persist, the more Mars Horizon pulls you in. If... Read more
I’ve been so tough on Mars Horizon. Know that I’m sorry about that. I was more deeply invested in getting to Mars than I’ve been... Read more
Its systems are light enough to not be overwhelming, and even if they become too much for you, a well-defined tutorial does a good job... Read more
Mars Horizon fulfills with originality a mission almost as difficult as sending a manned mission to outer space, which is to transform the management of... Read more
I had a lot of fun researching for the next big thing in Mars Horizon, but a lot less due to all the technical issues... Read more
About the game
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