Main Assembly — cheap CD keys, compare prices
Is it worth buying?
- Reviews are solid. (Steam 83%)
- The price is at or near its all-time low — a good time to buy.
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Main Assembly is a robot-building simulation from Bad Yolk Games, published by Team17. You're the designer, engineer and architect, so if you can imagine it you can create it. Build robots of any shape or size, from eight-legged spider bots to eerie UFO contraptions.
Best price today
€0.31
all-time low: official €1.99 · keyshop €0.31 near low
On Steam: €1.99 — you save 84% here
The cheapest Main Assembly key right now costs €0.31 at Kinguin — the best of 21 compared offers. The lowest price we have recorded for this game: €0.31. The cheapest official store price is €1.99 at Steam.
The average low over the past 5 months was €0.43.
↳ chosen by the region label on the key — not a guarantee
Prices as of
Kinguin Marketplace
GameSeal Marketplace
GameSeal Marketplace
Kinguin Marketplace
GameSeal Marketplace
Driffle Marketplace
Gamivo Marketplace
G2A Marketplace
Steam Official store
Kinguin Marketplace
K4G Marketplace
Fanatical Official store
G2A Marketplace
G2A Marketplace
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Main Assembly prices by store 10
| Store | Type | Price |
|---|---|---|
| Kinguin | Marketplace | €0.31 |
| GameSeal | Marketplace | €0.37 |
| Gamivo | Marketplace | €0.48 |
| K4G | Marketplace | €0.54 |
| Driffle | Marketplace | €0.61 |
| G2A | Marketplace | €1.05 |
| Steam | Official store | €1.99 |
| Instant Gaming | Marketplace | €2.79 |
| Loaded | Marketplace | €3.09 |
| Fanatical | Official store | €3.59 |
Lowest — official stores
€1.99
Oct 2026
Lowest — keyshops
€0.31
Sept 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €1.99 | €0.31 |
| Sept 2026 | €3.59 | €0.31 |
| Aug 2026 | €3.59 | €0.33 |
| Jul 2026 | €3.59 | €0.36 |
| Jun 2026 | €3.99 | €0.85 |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Kinguin, GameSeal, Gamivo, K4G, Driffle, G2A, Steam, Instant Gaming, Loaded, Fanatical
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Confirm in our Telegram bot — no account, no spam.
All-time low so far: €0.31
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | WINDOWS® 7 (64-bit) | WINDOWS® 7 (64-bit) |
| Processor | Intel® Core™ i3-4160 or AMD equivalent | Intel® Core™ i5-4460 or AMD equivalent |
| Memory | 4 GB RAM | 8 GB RAM |
| Graphics | NVIDIA® GeForce® GTX 750 or AMD equivalent | NVIDIA® GeForce® GTX 970 or AMD equivalent |
| Storage | 3 GB available space | 3 GB available space |
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About this game — FAQ
Does Main Assembly have co-op?
Yes, Main Assembly supports online co-op.
Does Main Assembly have multiplayer?
Yes, Main Assembly has multiplayer. It supports PvP.
Can Main Assembly be played single-player?
Yes, besides multiplayer modes, Main Assembly can also be played solo (single-player).
What languages does Main Assembly support?
Main Assembly is available in: English, French, Italian, German, Spanish - Spain, Russian, Simplified Chinese, Traditional Chinese and 2 more.
Does Main Assembly use Steam Cloud saves?
Yes, Main Assembly uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Main Assembly key?
The cheapest Main Assembly key is currently sold by Kinguin for €0.31. That is the best of 21 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €0.31.
How much does Main Assembly cost?
Main Assembly currently costs from €0.31 — the cheapest offer across the stores we track. For comparison, the game costs €1.99 on Steam, so buying a key saves you about 84%.
Is Kinguin an official store or a keyshop?
Kinguin is a keyshop (marketplace) where independent sellers list keys, so prices are often lower than in official stores. Every offer on ulov.gg is clearly labeled with its store type.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.