
M.A.S.S. Builder
App ID | 956680 |
App Type | Game |
Developer | Vermillion Digital |
Publisher | Sekai Project |
Supported Systems | Windows |
Technologies | Unreal Engine, EpicOnlineServices SDK |
Last Changenumber | 28981182 |
Last Record Update | 14 May 2025 – 13:07:39 UTC ( |
Release Date | 13 September 2019 – 17:57:59 UTC ( |
Commander, customize and build your Mechanical Assault Skeleton Suit (M.A.S.S.) and lead the fight against an alien invasion bent on exterminating the human race. The fate of humanity is in your hands.
Steam price history
Special Promotion, offer ends 10 July 2025 – 17:00:00 UTC
Current Price
$21.24 at -15%
Lowest Recorded Price
$19.99 at -20%
20 July 2020
Currency | Current Price | Converted Price | Lowest Recorded Price | ||
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$21.24 at -15% | $21.24 | $19.99 | $19.99 at -20% | |
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$7.21 at -15% | $7.21 | -66.05% | $6.79 | $6.79 at -20% |
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748 ₽ at -15% | $9.43 | -55.59% | $4.98 | 395 ₽ at -15% |
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273000₫ at -15% | $10.41 | -50.98% | $7.13 | 187000₫ at -15% |
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437₴ at -15% | $10.44 | -50.84% | $6.66 | 279₴ at -15% |
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5440₸ at -15% | $10.44 | -50.82% | $5.38 | 2805₸ at -15% |
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$10.61 at -15% | $10.61 | -50.05% | $9.99 | $9.99 at -20% |
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$10.61 at -15% | $10.61 | -50.05% | $9.99 | $9.99 at -20% |
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$10.61 at -15% | $10.61 | -50.05% | $9.99 | $9.99 at -20% |
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Rp 175949 at -15% | $10.84 | -48.94% | $6.28 | Rp 101999 at -15% |
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¥ 78.20 at -15% | $10.90 | -48.64% | $9.48 | ¥ 68 at -15% |
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₹ 935 at -15% | $10.93 | -48.50% | $5.65 | ₹ 483 at -15% |
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R 195.50 at -15% | $11.15 | -47.49% | $7.27 | R 127.50 at -15% |
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₱650.25 at -15% | $11.50 | -45.82% | $8.27 | ₱467.45 at -15% |
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R$ 62,89 at -15% | $11.62 | -45.26% | $7.46 | R$ 40,36 at -15% |
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43.76 SR at -15% | $11.66 | -45.06% | $9.05 | 33.95 SR at -15% |
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3.61 KD at -15% | $11.82 | -44.34% | $11.13 | 3.40 KD at -20% |
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CLP$ 11050 at -15% | $11.91 | -43.93% | $8.70 | CLP$ 8075 at -15% |
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NT$ 346 at -15% | $11.99 | -43.52% | $11.12 | NT$ 321 at -15% |
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RM51.85 at -15% | $12.24 | -42.34% | $8.83 | RM37.40 at -15% |
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COL$ 49980 at -15% | $12.47 | -41.26% | $7.10 | COL$ 28475 at -15% |
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S/.45.05 at -15% | $12.62 | -40.58% | $10.71 | S/.38.25 at -15% |
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46.74 QR at -15% | $12.79 | -39.75% | $11.63 | 42.49 QR at -15% |
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Mex$ 240.54 at -15% | $12.89 | -39.31% | $10.65 | Mex$ 198.89 at -15% |
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฿420.75 at -15% | $12.95 | -39.01% | $8.34 | ฿271.15 at -15% |
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S$18.70 at -15% | $14.66 | -30.98% | $13.79 | S$17.60 at -20% |
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56.10 AED at -15% | $15.27 | -28.09% | $14.37 | 52.80 AED at -20% |
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$U629 at -15% | $15.67 | -26.21% | $11.18 | $U449 at -15% |
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¥ 2380 at -15% | $16.44 | -22.60% | $14.20 | ¥ 2056 at -20% |
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₩ 22950 at -15% | $16.80 | -20.88% | $15.23 | ₩ 20800 at -20% |
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HK$ 132.60 at -15% | $16.89 | -20.46% | $11.80 | HK$ 92.65 at -15% |
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₡8925 at -15% | $17.67 | -16.78% | $16.63 | ₡8400 at -20% |
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NZ$ 30.59 at -15% | $18.55 | -12.63% | $15.03 | NZ$ 24.79 at -20% |
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CDN$ 27.62 at -15% | $20.33 | -4.24% | $17.07 | CDN$ 23.19 at -20% |
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A$ 31.02 at -15% | $20.36 | -4.11% | $18.88 | A$ 28.76 at -20% |
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238,00 kr at -15% | $23.65 | +11.39% | $13.99 | 140,80 kr at -20% |
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₪79.00 at -15% | $23.65 | +11.39% | $22.26 | ₪74.36 at -20% |
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£17.84 at -15% | $24.34 | +14.63% | $21.27 | £15.59 at -20% |
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20,82€ at -15% | $24.48 | +15.27% | $19.74 | 16,79€ at -20% |
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97,74zł at -15% | $27.09 | +27.57% | $19.95 | 71,99zł at -20% |
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CHF 23.79 at -15% | $29.93 | +40.94% | $25.16 | CHF 20.00 at -20% |
Valve suggested prices are shown on package pages.
Price history
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Hardware Categories
Additional Information
Developer | Vermillion Digital | |||||||||||||||||||||||||||
metacritic_name | M.A.S.S. Builder | |||||||||||||||||||||||||||
controller_support | full | |||||||||||||||||||||||||||
ReleaseState | released | |||||||||||||||||||||||||||
Publisher | Sekai Project | |||||||||||||||||||||||||||
Store Release Date | 13 September 2019 – 17:58:09 UTC ( |
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osarch | 64 | |||||||||||||||||||||||||||
community_hub_visible | Yes | |||||||||||||||||||||||||||
Social Media | https://discord.gg/sekai-project https://www.facebook.com/massbuilderthegame/ https://www.twitch.tv/sekaiproject https://x.com/massbuildergame https://www.youtube.com/sekaiproject/ |
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Primary Genre | Indie (23) | |||||||||||||||||||||||||||
Store Genres | Action (1), Indie (23), RPG (3), Strategy (2), Early Access (70) | |||||||||||||||||||||||||||
Steam Release Date | 13 September 2019 – 17:57:59 UTC ( |
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Store Asset Modification Time | 22 November 2022 – 06:44:03 UTC ( |
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osextended | empty string | |||||||||||||||||||||||||||
review_score | 8 | |||||||||||||||||||||||||||
review_percentage | 87 | |||||||||||||||||||||||||||
Detected Technologies (?) | Unreal Engine, EpicOnlineServices SDK, Intel_OID SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, Vorbis SDK, XAudio2 SDK | |||||||||||||||||||||||||||
Steam Deck Compatibility |
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Early Access Release Date | 13 September 2019 – 00:00:00 UTC ( |
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First seen on SteamDB | 2 October 2018 – 04:54:40 UTC ( |
Supported Languages
5 Languages | Interface | Full Audio | Subtitles |
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English | Yes | Yes | |
Japanese | Yes | Yes | |
Simplified Chinese | Yes | ||
Thai | Yes | ||
Traditional Chinese | Yes |
Assets
Load all asset imagesclienticon | affd7b7f00e364ecb9aab6ceb83e655c62557d1f | ||||||||||||||||||||||||||||||
clienttga | 109679be02b3f9cbe716b57df478b0f64753459a | ||||||||||||||||||||||||||||||
icon | 5a475c6f3f12c22870ed0b85b56a19c2554cc79a | ||||||||||||||||||||||||||||||
logo | 3417d7c159095e4c7d66a003092f10fe6d9565b7 | ||||||||||||||||||||||||||||||
logo_small | 3417d7c159095e4c7d66a003092f10fe6d9565b7_thumb | ||||||||||||||||||||||||||||||
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