Buying through the official site uses Humble Bundle for processing, which typically provides both a DRM-free download and a Steam key. Important Considerations
"We don't plan any Factorio sale. I'm aware, that the sale can make a lot of money in a short period of time, but I believe that it is not worth it in the long run, and since we are not in financial pressure we can afford to think in the long run" factorio free steam key
Furthermore, this free Steam key benefit is only for purchases made directly on the Factorio webpage. Any purchases from third-party retailers are not eligible for a Steam key. If you buy Factorio on GOG, you are buying a DRM-free copy for the GOG platform, but you do not automatically get a Steam key as part of that purchase. Buying through the official site uses Humble Bundle
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Any purchases from third-party retailers are not eligible
Since you cannot get a free Steam key, here’s the cheapest path to playing Factorio:
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.