
Main Assembly
App ID | 1078920 |
App Type | Game |
Developer | Bad Yolk Games |
Publisher | Team17 |
Supported Systems | Windows |
Technologies | Unreal Engine |
Last Changenumber | 28983991 |
Last Record Update | 14 May 2025 – 15:23:44 UTC ( |
Release Date | 26 January 2021 – 16:00:00 UTC ( |
You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions.


Steam price history
Special Promotion, ends 29 September 2025
Current Price
$3.99 at -80%
Lowest Recorded Price
$3.99 at -80%
14 March 2024
Currency | Current Price | Converted Price | Lowest Recorded Price | ||
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$3.99 at -80% | $3.99 | $3.99 | $3.99 at -80% | |
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530₸ at -80% | $0.97 | -75.49% | $0.97 | 530₸ at -80% |
|
₹ 105 at -80% | $1.19 | -70.13% | $1.19 | ₹ 105 at -80% |
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59₴ at -80% | $1.42 | -64.25% | $1.42 | 59₴ at -80% |
|
COL$ 6200 at -80% | $1.58 | -60.20% | $1.58 | COL$ 6200 at -80% |
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$1.63 at -80% | $1.63 | -59.15% | $1.63 | $1.63 at -80% |
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6.99 SR at -80% | $1.87 | -53.11% | $1.87 | 6.99 SR at -80% |
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50000₫ at -80% | $1.89 | -52.51% | $1.89 | 50000₫ at -80% |
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Rp 31800 at -80% | $1.91 | -52.11% | $1.91 | Rp 31800 at -80% |
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CLP$ 1900 at -80% | $1.98 | -50.16% | $1.98 | CLP$ 1900 at -80% |
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$2.09 at -80% | $2.09 | -47.62% | $2.09 | $2.09 at -80% |
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$2.09 at -80% | $2.09 | -47.62% | $2.09 | $2.09 at -80% |
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$2.09 at -80% | $2.09 | -47.62% | $2.09 | $2.09 at -80% |
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S/.7.40 at -80% | $2.12 | -46.83% | $2.12 | S/.7.40 at -80% |
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$U85 at -80% | $2.12 | -46.69% | $2.12 | $U85 at -80% |
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¥ 15.60 at -80% | $2.19 | -45.05% | $2.19 | ¥ 15.60 at -80% |
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0.67 KD at -80% | $2.19 | -44.98% | $2.19 | 0.67 KD at -80% |
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R$ 11,99 at -80% | $2.25 | -43.54% | $2.25 | R$ 11,99 at -80% |
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₱130.19 at -80% | $2.27 | -42.89% | $2.27 | ₱130.19 at -80% |
|
8.39 QR at -80% | $2.30 | -42.24% | $2.30 | 8.39 QR at -80% |
|
RM9.80 at -80% | $2.32 | -41.66% | $2.32 | RM9.80 at -80% |
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R 43.80 at -80% | $2.52 | -36.64% | $2.52 | R 43.80 at -80% |
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฿84.00 at -80% | $2.63 | -34.00% | $2.63 | ฿84.00 at -80% |
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Mex$ 49.99 at -80% | $2.71 | -31.99% | $2.71 | Mex$ 49.99 at -80% |
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¥ 410 at -80% | $2.76 | -30.62% | $2.76 | ¥ 410 at -80% |
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10.60 AED at -80% | $2.88 | -27.66% | $2.88 | 10.60 AED at -80% |
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NZ$ 4.95 at -80% | $2.89 | -27.42% | $2.89 | NZ$ 4.95 at -80% |
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₩ 4100 at -80% | $2.93 | -26.46% | $2.93 | ₩ 4100 at -80% |
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HK$ 23.80 at -80% | $3.06 | -23.28% | $3.06 | HK$ 23.80 at -80% |
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NT$ 98 at -80% | $3.24 | -18.75% | $3.24 | NT$ 98 at -80% |
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CDN$ 4.55 at -80% | $3.30 | -17.27% | $3.30 | CDN$ 4.55 at -80% |
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₡1700 at -80% | $3.36 | -15.65% | $3.36 | ₡1700 at -80% |
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S$4.60 at -80% | $3.57 | -10.32% | $3.57 | S$4.60 at -80% |
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37,80 kr at -80% | $3.80 | -4.62% | $3.80 | 37,80 kr at -80% |
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A$ 5.79 at -80% | $3.81 | -4.40% | $3.81 | A$ 5.79 at -80% |
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14,39zł at -80% | $3.95 | -0.79% | $3.95 | 14,39zł at -80% |
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£3.19 at -80% | $4.29 | +7.63% | $4.29 | £3.19 at -80% |
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₪14.79 at -80% | $4.43 | +11.05% | $4.43 | ₪14.79 at -80% |
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3,99€ at -80% | $4.68 | +17.36% | $4.68 | 3,99€ at -80% |
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CHF 3.90 at -80% | $4.89 | +22.75% | $4.89 | CHF 3.90 at -80% |
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N/A | N/A | $3.52 | 295 ₽ at -60% |
Valve suggested prices are shown on package pages.
Price history
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Hardware Categories
Additional Information
Developer | Bad Yolk Games | |||||||||||||||||||||||||||
metacritic_name | Main Assembly | |||||||||||||||||||||||||||
controller_support | partial | |||||||||||||||||||||||||||
community_visible_stats | Yes | |||||||||||||||||||||||||||
workshop_visible | Yes | |||||||||||||||||||||||||||
ReleaseState | released | |||||||||||||||||||||||||||
Publisher | Team17 | |||||||||||||||||||||||||||
eulas |
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Store Release Date | 26 January 2021 – 16:01:15 UTC ( |
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osarch | 64 | |||||||||||||||||||||||||||
community_hub_visible | Yes | |||||||||||||||||||||||||||
Social Media | https://discord.gg/mainassembly https://www.facebook.com/BadYolkGames/ https://www.twitch.tv/badyolkgames https://x.com/BadYolkGames https://www.youtube.com/channel/UChbuHV7NUa4P69fiy5zDOhw/ |
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Primary Genre | Simulation (28) | |||||||||||||||||||||||||||
Store Genres | Simulation (28) | |||||||||||||||||||||||||||
Steam Release Date | 26 January 2021 – 16:00:00 UTC ( |
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Store Asset Modification Time | 10 November 2022 – 09:04:06 UTC ( |
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osextended | empty string | |||||||||||||||||||||||||||
review_score | 8 | |||||||||||||||||||||||||||
review_percentage | 84 | |||||||||||||||||||||||||||
Detected Technologies (?) | Unreal Engine, CEF SDK, NVIDIA_APEX SDK, NVIDIA_Nsight_Aftermath SDK, NVIDIA_PhysX SDK, NvCloth SDK, Ogg SDK, Vorbis SDK | |||||||||||||||||||||||||||
Steam Deck Compatibility |
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Early Access Release Date | 11 June 2020 – 00:00:00 UTC ( |
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First seen on SteamDB | 30 April 2019 – 12:27:56 UTC ( |
Supported Languages
10 Languages | Interface | Full Audio | Subtitles | Achievements |
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English | Yes | Yes | Yes | Yes |
French | Yes | Yes | Yes | |
Italian | Yes | Yes | Yes | |
German | Yes | Yes | Yes | |
Spanish - Spain | Yes | Yes | Yes | |
Russian | Yes | Yes | Yes | |
Simplified Chinese | Yes | Yes | Yes | |
Traditional Chinese | Yes | Yes | Yes | |
Portuguese - Brazil | Yes | Yes | Yes | |
Japanese | Yes | Yes | Yes |
Assets
Load all asset imagesclienticon | c6dac08bbaf164918a980933f4029c90ddd676b5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
clienttga | 5ba9ec1e31222a541c77a09ad74999a7c75caa41 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Trailers |
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