Buy M.A.S.S. Builder key cheaply
14.09.2025 (Source: Steam)
Vermillion Digital
DRM
Region Global
M.A.S.S. Builder currently costs from £2.70 at K4G (Early Access) as Steam-Key. The price applies with the voucher PAWSOME19 and includes £0.58 fees. We compare 13 available offers from 11 shops. At Steam costs M.A.S.S. Builder £20.45, with the cheapest Steam-Key you save £17.75 (87 %). As of 12. November 2026, 03:09 hrs.
Automatically checked, Updated 45 minutes ago
How we compare
from£2.70Price without voucher£2.62Voucher PAWSOME19−19 % (−£0.50)Price with voucher (without fees)£2.12Price incl. card and PayPal fees+£0.58 £2.70
K4G
PAWSOME19
Price comparison
13 results
2 offers hidden in other regions
Show all regions
| Shop | Product | Voucher | Price | to the shop |
|---|---|---|---|---|
|
K4G
|
Steam Early Access Key
463092
Updated:
In stock
DRM: Steam
Region: Worldwide
Edition: Early Access
|
PAWSOME19
|
£2.70Price without voucher£2.62Voucher PAWSOME19−19 % (−£0.50)Price with voucher (without fees)£2.12Price incl. card and PayPal fees+£0.58 £2.70
incl. £0.58 PayPal/card fee
|
Go to the shop |
GameBoost
|
Steam Key
3199358
Updated:
In stock
DRM: Steam
Region: Worldwide
|
GAMEFOREST
|
£2.99£2.84Price without voucher£2.99Voucher GAMEFOREST−14 % (−£0.42)Price with voucher (without fees)£2.57Price incl. Marketplace and payment fee+£0.27 £2.84
incl. £0.27 Marketplace and payment fee
|
Go to the shop |
Instant Gaming
|
Steam Key
2103479
Updated:
In stock
DRM: Steam
Region: Worldwide
|
£2.91Price£2.91Price including PayPal fees+£0.06 £2.97
plus £0.06 PayPal fee
|
Go to the shop | |
Loaded.com
|
Steam Key
808575
Updated:
In stock
DRM: Steam
Region: Worldwide
|
£3.00Price£3.00
|
Go to the shop | |
Gameseal
|
Steam Key
988419
Updated:
In stock
DRM: Steam
Region: Worldwide
|
£3.12Price without fees£2.79Price incl. card and PayPal fees+£0.33 £3.12
incl. £0.33 PayPal/card fee
|
Go to the shop | |
driffle
|
Steam Key
963197
Updated:
In stock
DRM: Steam
Region: Worldwide
|
£3.22Price without fees£2.72Price incl. card fees+£0.50 £3.22Price including PayPal fees+£0.08 £3.31
incl. £0.50 Card fee
plus £0.08 PayPal fee
|
Go to the shop | |
Gamivo
|
Steam Standard Key
691016
Updated:
In stock
DRM: Steam
Region: Worldwide
Edition: Standard
|
GFORESTPROMO
|
£3.27Price without voucher£2.75Voucher GFORESTPROMO−11 % (−£0.30)Price with voucher (without fees)£2.45Price incl. card and PayPal fees+£0.83 £3.27
incl. £0.83 PayPal/card fee
|
Go to the shop |
Eneba
|
Steam Key
848774
Updated:
In stock
DRM: Steam
Region: Worldwide
|
£3.30Price without fees£2.75Price incl. card and PayPal fees+£0.55 £3.30
incl. £0.55 PayPal/card fee
|
Go to the shop | |
Kinguin
|
Steam Key
2352850
Updated:
In stock
DRM: Steam
Region: Worldwide
|
£3.38Price without fees£2.65Price incl. card and PayPal fees+£0.73 £3.38
incl. £0.73 PayPal/card fee
|
Go to the shop | |
|
Kinguin
|
Steam Key
3148907
Updated:
In stock
DRM: Steam
Region: Worldwide
|
£3.42Price without fees£2.69Price incl. card and PayPal fees+£0.73 £3.42
incl. £0.73 PayPal/card fee
|
Go to the shop | |
G2A
|
Steam Key
3526321
Updated:
In stock
DRM: Steam
Region: Worldwide
|
GAMEFOREST8
|
£3.87£3.56Price without voucher£3.87Voucher GAMEFOREST8−8 % (−£0.31)Price with voucher£3.56
|
Go to the shop |
Steam
|
Steam Early Access Key
463095
Updated:
In stock
DRM: Steam
Region: Worldwide
Edition: Early Access
|
£20.45Price£20.45
|
Go to the shop | |
|
G2A
|
Steam Gift code
3547343
Updated:
In stock
DRM: Steam
Region: Worldwide
|
GAMEFOREST8
|
£26.42£24.31Price without voucher£26.42Voucher GAMEFOREST8−8 % (−£2.11)Price with voucher£24.31
|
Go to the shop |
| Released | 14. September 2025 |
| Type | Game |
| Website | to the website |
| Developer | |
| Publisher | Sekai Project |
| Steam review | 85 % positive from 4,125 reviews |
| Platform | PC |
| Genres | |
| Szenario | |
| Tags | |
| Stil | |
| Story | |
| Input methods | |
| Perspektive | |
| Funktionen | |
| Game modes |
Here you'll find a selection of the cheapest deals in the M.A.S.S. Builder key price comparison. Save time and money by using our overview of the best game shop deals to find the best price and get your desired key quickly. Daily updated offers from the leading key shops are waiting here, so you can always find the best deal.
Price history
Price trend of M.A.S.S. Builder
Hover over or swipe across the chart to see prices.
M.A.S.S. Builder on Steam
Source: SteamUpdates on M.A.S.S. Builder
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M.A.S.S. Builder Original Soundtrack Now Available On Steam
The original soundtrack for M.A.S.S. Builder is now available on Steam! This soundtrack features 36 tracks by composer, Van Narupai. The download will include both MP3 and FLAC file formats for you to enjoy.
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Post 1.0.0. AMA Answers!
Remember the AMA announcement we had weeks ago? The answers to them are now ready for viewing! Please check them out down below! More answers in the comments section as well, as we exceeded word count in this news posts.Question: I hope to…
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Post 1.0.0. What's Next + AMA Announcement!
We've been hotfixing the 1.0.0 launch of M.A.S.S. Builder all week, hope you all were able to have fun with the things that aren't broken! For now, we'd like to tell you all about what's coming next to M.A.S.S. Builder! Let's get the big di…
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M.A.S.S. Builder Full Release 1.0.0. LAUNCH!
Hello! We're finally ready to announce the M.A.S.S. Builder major update 1.0.0! We're finally out of Early Access into full release with this update, completing the whole M.A.S.S. Builder Campaign story! It has been a long journey up to thi…
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M.A.S.S. Builder Full Release Date Announcement
Hello everyone! We have a special announcement instead of a WIP today... It's finally time to say goodbye to Early Access and head into Full Release version 1.0.0 come next week September 14th! It has been a few years now since we first rel…
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WIP: 1.0.0 New Mission Sneak Peek
Hello everyone! Today, we're only able to have a short sneak peek of the upcoming mission, but fret not, it's a mysterious and ominous lot to take in! Where in the world is this place, what kind of mission are we assigned to? You'll receive…
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WIP: 1.0.0 Weapon Attachment System In Depth
The weapons attachment system is finally here in version 1.0.0. As promised last week, we will be giving a whole set of explanations on what it covers, how it works, and the changes that we'll be making with the Bullet Launchers attachment…
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WIP: 1.0.0 Weapon Attachment System Showcase
Hello everyone! We're back this week with a showcase full of the up-and-coming weapons attachment system. It's a system that's similar to the launcher's attachment we've had before, but they work on your weapons instead. While we only have…
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WIP: 1.0.0 New Mission Sneak Peak
As promised! Here is a WIP update for the upcoming 1.0.0 update featuring one of the new missions that will be available in the update! This mission will feature an area filled with the highest concentration of Void particles, where Quarks…
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Incoming Patch Status Update
tl;dr Update will be coming in SeptemberHello everyone. First off, let us apologize for not having frequent updates like before and making the project feels like it's dead. We've been busy working on the various systems to make the next upd…
All announcements on Steam
Tags
- Mechs
- Action RPG
- Character Customization
- Robots
- Gun Customization
- Indie
- Hack and Slash
- Sci-fi
- Anime
- Shooter
- Action
- Singleplayer
System requirements
Minimum
- Requirement
- Requires 64-bit processor and operating system
- Operating system *
- Windows 7, Windows 8.1, Windows 10 (64-bit versions only)
- Processor
- Intel Core i5 or better / AMD Phenom II X3 or better
- Memory
- 8 GB RAM
- Graphics
- NVIDIA GeForce GTX 1050 or better / AMD Radeon RX 560 or better
- Storage space
- 3 GB available storage
- Sound card
- DirectSound Compatible
Recommended
- Requirement
- Requires 64-bit processor and operating system
DLCs and expansions
| DRM | Steam |
| Offers | 13 |
Frequently asked questions about M.A.S.S. Builder
What is M.A.S.S. Builder costing right now?
M.A.S.S. Builder currently costs from £2.70 at K4G (Early Access) as Steam-Key. We compare 13 available offers from 11 shops. As of 12. November 2026, 03:09 hrs.
Where is M.A.S.S. Builder cheapest?
The cheapest M.A.S.S. Builder is currently at K4G, as Steam-Key for £2.70 with the voucher PAWSOME19.
How much is the cheapest Steam-Key including fees?
The cheapest Steam-Key costs £2.70 at K4G. This includes £0.58 fees.
How much do I save compared with Steam?
At Steam costs M.A.S.S. Builder £20.45. With the cheapest Steam-Key for £2.70 at K4G you save £17.75 (87 %).
Which edition is the cheapest?
The cheapest edition is Early Access from £2.70. Default is available from £2.84.
Which platform do these offers apply to?
Offers for PC are compared. Check the edition, activation service and region on the respective offer.
Which game modes does this version offer?
Listed game modes for this version: Singleplayer, Online Co-op.
Which languages are listed for this version?
Englisch, Japanisch, Chinesisch (vereinfacht), Thai, Chinesisch (traditionell). The details do not distinguish between interface, subtitles and voice output.
Can I play the PC version with a controller?
Steam marks the PC version with full controller support. Source: Steam product page.
What are the minimum requirements for the PC version?
Operating system: Windows 7, Windows 8.1, Windows 10 (64-bit versions only)
Processor: Intel Core i5 or better / AMD Phenom II X3 or better
Memory: 8 GB RAM
Graphics: NVIDIA GeForce GTX 1050 or better / AMD Radeon RX 560 or better
Storage space: 3 GB available storage
Source: Steam product page.
Processor: Intel Core i5 or better / AMD Phenom II X3 or better
Memory: 8 GB RAM
Graphics: NVIDIA GeForce GTX 1050 or better / AMD Radeon RX 560 or better
Storage space: 3 GB available storage
Source: Steam product page.
What release date is given?
Release date of this version: 14.09.2025.
Reviews
How do you like M.A.S.S. Builder?
Screenshots
Source: Steam
