What's their story? Are they simply an independent studio? Is there VC-money involved?
But that's not what happened here, it wasn't really a choice of location or funds. It was a passion project that went viral.
https://www.indiegogo.com/projects/factorio#/
IIRC sold more than 3 million copies by now ?
P.S.: The evolution of trailers over the years is quite something :
2013 : https://www.youtube.com/watch?v=V1qOCAM9Syw
2014 : https://www.youtube.com/watch?v=9yDZM0diiYc