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 €3.94 at Gamivo · 8 verified stores, 14 offers in stock · Updated 08h 26min ago.
Mars Horizon for PC starts at €3.94 at Gamivo, a Steam key.
That €3.94 already includes the GCDKGamivo coupon, so apply it at checkout or the store will show you a higher price.
With 14 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.
That puts it 24% under its average of €5.20 since 2023, so today is a better entry point than most days of its life.
That €3.94 key is at its usual price: no bargain, no spike.
Worked out from 2,169 daily records of the Steam Key for Mars Horizon across 17 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.
By format: Steam Key from €3.94 and Steam Gift from €19.39.
8 of the 14 offers work on US — the Global ones plus the ones issued for your own region.
Critics put it at 74 out of 100, though there are only 12 reviews published so far.
One listing is worth ignoring: the Steam gift that G2A has at €19.83 is more than 5 times the cheapest offer and is not what this game costs. The number to work from is €3.94 at Gamivo.
Critics Rating
Player Rating
Fair
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
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