Buy M.A.S.S. Builder CD Key for PC

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The cheapest price is 2.78€ (-80%) at Eneba with a rating of 4.4 (309.2k reviews) · Version Steam Key · Region Global · We compare prices at 9 verified stores with 12 offers in stock · Updated on 02/08/2026 02h 12min. 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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Prices without final payment fees but with discount coupons applied. Prices include payment fees and any store discount code applied.
Key stores
4.4 (309.2k)
Coupon
GOCDKEYS10 -10% copy Copied!
€3.09 €2.78 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.24
3.8 (49.5k)
Subscription from 2.01€/month
-9%
Coupon
GCDKGamivo -23% copy Copied!
€3.53 €2.72 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.49
4.6 (118.9k)
Subscription from 2.99€/month
-15%
Coupon
AUGGOC10 -10% copy Copied!
€3.35 €3.02 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.37
4.4 (309.2k)
Coupon
GOCDKEYS10 -10% copy Copied!
€4.09 €3.68 How to get this price
Europe Icon
Region Europe
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.31
4.0 (344.2k)
No code available
€4.96 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.01
4.8 (223.8k)
No code available
€5.89
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees -
4.2 (29.7k)
Coupon
Gocdkeys12 -12% copy Copied!
€17.08 €15.03
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€2.79
4.7 (830.7k)
No code available
€17.09
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.34
4.0 (344.2k)
No code available
€36.32 How to get this price
Global Icon
Region Global
Steam Gift
Product type Steam Gift
Standard
Edition Standard
Description Icon
Fees +€0.11
4.0 (344.2k)
No code available
€36.32 How to get this price
Europe Icon
Region Europe
Steam Gift
Product type Steam Gift
Standard
Edition Standard
Description Icon
Fees +€0.11
Official stores
4.7 (43.9k)
No code available
€13.72
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees -
1.8 (3.7k)
No code available
€24.50
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 cheapest offer is from Eneba in KEY format for a price of 2.78€

Buying at Eneba saves you 80% compared to the official store

Users rate Loaded4.8(223.8k) best, highlighting its reliability and fast delivery, with a price of 5.89€

How much does M.A.S.S. Builder for PC cost right now?

M.A.S.S. Builder for PC starts at €2.78 at Eneba, a Steam key, which is 89% under the €24.50 it costs on the official store.

That €2.78 already includes the GOCDKEYS10 coupon, so apply it at checkout or the store will show you a higher price.

9 stores carry it, 12 offers in total and 11 available right now; the figure above is the cheapest of the ones you can actually order.

That puts it 80% under its average of €13.90 since 2019, so today is a better entry point than most days of its life.

Which format should you buy?

By format: Steam Key from €2.78 and Steam Gift from €36.32.

Can you activate it in your region?

10 of the 12 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 gift that G2A has at €36.32 is more than 13 times the cheapest offer and is not what this game costs. The number to work from is €2.78 at Eneba.

So, which M.A.S.S. Builder deal should you buy?

At €2.78 at Eneba there is not much to think about.

This version of the game M.A.S.S. Builder is a cd key or digital key for PC, and must be downloaded and activated from official game platforms, such as STEAM. From Gocdkeys we group both the official shops (Steam, Greenmangaming,...) and the unofficial ones (G2A, Instantgaming, Kinguin,...) that sell the key of this Mechs combat construction simulator. Although we will have to build them, we will also be able to test their qualities and characteristics in combat against an enemy that threatens the existence of humanity.


What digital versions of M.A.S.S. Builder for PC will you find in Gocdkeys?


From Gocdkeys we always compare digital versions of STEAM games. Although most versions are in cd key or digital key format, there are some versions in "STEAM Gift" format, which once purchased are activated through an activation link that is sent to the email.


Many of these "STEAM Gifts" and M.A.S.S. Builder cd keys can have regional blocking, which means that they can only be activated from certain regions, so pay attention to this information.


Before buying M.A.S.S. Builder you should know that...


It all starts with the appearance of some unknown beasts of the void.  At that moment, it is when the war for the survival of humanity began. In a last attempt by humans not to become extinct, they were forced to evolve their technology to unsuspected limits, and that's when the technology of the M.A.S.S. was born. 


The game is an action RPG in which we will build and pilot an M.A.S.S. (Mechanical Assault Skeleton Suit or Mechs) as commander of a private military company, with the aim of helping to combat the threat of the Quarks. We'll build, customize and fight to save the world, and if you're only interested in the construction part, we can devote ourselves exclusively to building the perfect war machines and see how others pilot them, to later adapt their weaponry and make them more destructive.

Most common FAQs when buying M.A.S.S. Builder for PC in digital format:

It is a key that will allow you to download the game M.A.S.S. Builder 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 M.A.S.S. Builder on PC is €2.78.
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 M.A.S.S. Builder 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 M.A.S.S. Builder, 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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What do our users think of M.A.S.S. Builder for PC Digital?

5/5 (2 Comments)

0

Avatar
paubono
2020-05-03 17:46:52

Muy buen juego lo tendria que desgcargar mas personas porque neste juego es de los mejores que he jugado muchas gracias por tratraer juegos así.

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About of M.A.S.S. Builder

Release date 10/11/2019
Users rating
5/5 (2 Comments)
Steam comments Very Positive Very Positive (3718 Comments)
Categories
RPG RPG
Tags
Indie Multiplayer Singleplayer Character Customization RPG Action Action RPG Shooter Sci-fi Anime

Languages

English, Japanese, Simplified Chinese, Thai, Traditional Chinese

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