Main Assembly PC
Only Steam sells it on this platform right now, at $3.99.
Compare prices in official stores
All live offers in United States, cheapest first.
SteamMain Assembly$19.99−80%$3.99Shop now
Buy now or wait?
Good deal
A solid price, though it has been cheaper.
Confidence33%
- Cheaper than its typical sale price.
- 80% is the deepest discount seen.
Upcoming: Steam Winter SaleDec 17 – Jan 4
- Typical sale price
- $3.99
- Best discount seen
- −80%
- Sales tracked
- 1
Price stats
- Best price now
- $3.99at Steam
- All-time low
- $3.99at Steam · Oct 28, 2026
- 3-month low
- $3.99
- 1-year low
- $3.99
- Regular price
- $19.99
- Discounts in the last year
- 1Last discount: Oct 28, 2026
Price history
Each step is a price change. The bold line is the cheapest price across stores.
Regional prices
Every tracked region converted to USD.
| Region | Store | Price | ≈ USD |
|---|---|---|---|
| IndiaCheapest region | Steam | ₹105.00−80% | $1.10 |
| Kazakhstan | Steam | ₸530.00−80% | $1.16 |
| Ukraine | Steam | ₴59.00−80% | $1.29 |
| Argentina | Steam | $2.09−80% | $2.09 |
| Türkiye | Steam | $2.09−80% | $2.09 |
| Brazil | Steam | R$11.99−80% | $2.24 |
| Poland | Steam | zł 14.39 | $3.64 |
| United States | Steam | $3.99−80% | $3.99 |
| United Kingdom | Steam | £3.19−80% | $4.24 |
| Germany (EU) | Steam | €3.99−80% | $4.45 |
About
Main Assembly is $3.99 at Steam right now, 80% below its regular price of $19.99. The lowest price we have recorded is $3.99 (Oct 28, 2026). Good deal: A solid price, though it has been cheaper.
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.
