Mars or Die!: Steam price vs key
Mars or Die! costs €2.40 as a key at BuyCheapKeys, versus a regular price of €19.99 on the Steam Store: you save €17.59 (88% less). The key activates on your Steam account and it's exactly the same game (prices from October 4, 2026).
- Instant deliveryKey by email and in your account
- Full guaranteeReplacement or refund
- Secure paymentCard, PayPal, Google Pay, Apple Pay
- Activates on SteamSame game in your library
- Up to 4% cashbackWith the VIP Club
Should I buy Mars or Die! now? A steal: buy it now
The key costs €17.59 less than the regular Steam price and is at its lowest recorded price.
Price score: 10/10 · The key is 88% below the regular Steam price.
The same game, for less
A Steam key gives you exactly the same as buying on Steam. Only the price changes.
Available Mars or Die! keys
1 offer, sorted by price
- €2.40Buy
Mars or Die!
CheapestSteam keyGlobal-€17.59 compared with the Steam regular price
Mars or Die! price history
- Steam regular price€19.99
- BuyCheapKeys key€2.40
We've been tracking this game since October 3, 2026. The chart will appear once there are a few days of data.
How to activate the Mars or Die! key
- 1
Buy the key
Choose the Mars or Die! offer and pay. You get the key instantly.
- 2
Open Steam
Go to “Games” › “Activate a Product on Steam”.
- 3
Redeem and play
Paste the key and the game stays in your library forever.
Mars or Die! FAQ
›How much is Mars or Die! on Steam?
The regular Steam price of Mars or Die! is €19.99. At BuyCheapKeys the Steam key costs €2.40, €17.59 less.
›Where to buy Mars or Die! cheapest?
The cheapest option is the BuyCheapKeys Steam key for €2.40, 88% below the regular Steam price. Instant delivery and it activates on Steam.
›Is the Mars or Die! key the same game as on Steam?
Yes. When you redeem the key, Mars or Die! is added to your Steam account with achievements, cloud saves and updates, just as if you bought it on Steam.
›What is the lowest price for Mars or Die! at BuyCheapKeys?
The lowest recorded price for the key at BuyCheapKeys is €2.40 (October 4, 2026). Today it costs €2.40.
›Will the Mars or Die! key work in my country?
We list Global and Europe region keys. Each BuyCheapKeys product page tells you whether it can be activated in your country before you buy.
›Is it safe to buy from BuyCheapKeys?
Yes. Delivery is instant by email and in your account, we accept card, PayPal, Google Pay and Apple Pay, and every purchase is covered by a replacement or refund guarantee.
›Is Mars or Die! worth it?
It has 40% positive reviews out of 30 on Steam (“Mixed”), was released in 2018 and is developed by 34BigThings srl. Genres: Strategy, Action, Indie, Tower Defense.
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Mars or Die!
€2.40