Buy M.A.S.S. Builder Steam Key
M.A.S.S. Builder Steam Key: compare prices from 13 offers (October 2026)
A M.A.S.S. Builder 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 €2.77 (€3.34 with fees, -86%) at Kinguin, 86% below the €24.50 (no fees) Steam price · 9 verified stores, 13 offers in stock · Updated 58min ago.
Prices change depending on the selected payment method.
Final prices with fees
How much does M.A.S.S. Builder for PC cost right now?
M.A.S.S. Builder for PC starts at €2.77 (€3.34 with fees) at Kinguin, a Steam key, which is 86% under the €24.50 (no fees) it costs on the official store.
That €2.77 (€3.34 with fees) already includes the OCTGOC10 coupon, so apply it at checkout or the store will show you a higher price.
With 13 offers across 9 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 14% under its average of €3.59 since 2019, so today is a better entry point than most days of its life.
Steam Key
Steam Gift
Is it worth buying the Steam Key for M.A.S.S. Builder now or waiting?
That €2.77 (€3.34 with fees) key is at one of its best prices.
- Those €2.77 (€3.34 with fees) are 77% below what it usually costs, measured on the store price.
- 9 stores sell the Steam Key at the same time, and with that much competition the price moves almost daily.
- Not counting today, only 52 days out of the 1,873 days on record were this cheap or cheaper; the lowest it has ever cost is €2.69.
Worked out from 3,360 daily records of the Steam Key for M.A.S.S. Builder across 10 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 M.A.S.S. Builder format should you buy?
By format: Steam Key from €2.77 (€3.34 with fees) and Steam Gift from €31.65 (€31.94 with fees).
Can you activate M.A.S.S. Builder in US?
11 of the 13 offers work on US — the Global ones plus the ones issued for your own region.
Why is there such an expensive M.A.S.S. Builder offer?
One listing is worth ignoring: the Steam gift that G2A has at €31.65 (€31.94 with fees) is more than 9 times the cheapest offer and is not what this game costs. The number to work from is €2.77 (€3.34 with fees) at Kinguin.
Most common FAQs when buying M.A.S.S. Builder 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.
M.A.S.S. Builder
Is it worth it?
- 85%Steam reviewsVery Positive · 3,734 reviews
- 5.0/5GoCDKeys users2 ratings →
Can I run it?
What the press says
Model Builder is an amazing game. For a small indie gaming company, this game makes something enjoyable that I really thought wouldn’t be. With a... Read more
Model Builder’s powerful suite of building and painting tools enable calming and creative game play that makes a potentially tricky hobby very accessible. There’s oodles... Read more
About the game
Requirements
- Requires a 64-bit processor and operating system
- OS *: Windows 7, Windows 8.1, Windows 10 (64-bit versions only)
- Intel Core i5 or better / AMD Phenom II X3 or better
- 8 GB RAM
- NVIDIA GeForce GTX 1050 or better / AMD Radeon RX 560 or better
- 3 GB available space
- Sound Card: DirectSound Compatible
- Requires a 64-bit processor and operating system
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What do our users think of M.A.S.S. Builder for PC Digital?
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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