Have you linked your gog purchases to factorio.com?

if you log into your account in factorio.com there should be a way to get anything active on your account as a steam key afaik. I purchased through the factorio website directly, which gave me a key. At some point I believe they added a method for ...

This seems to be the problem with not enough video memory. Your graphical card has 256MB which is not enough. Normally the game wouldn't crash but there is some error in handling the error on osx / linux. Very soon we will either lower the game requirements or make it use the memore more ...

Same issue here. Mavericks with the same crash report as Meepster on a mid 2010 mbp 15