No, don't care that much. I care $10-$15 much as a matter of showing my support. Not sure why the condescending advice.

Same situation:

I paid $20 for the GOG version some time ago. Family and friends have now joined me in a MP server and I'd love to be able to flaunt my achievements more easily. (Also, hey, it's free advertising to see this in Steam activity feeds)

If there was a way to pay the difference + a ...

I started playing factorio in .15 and took a break until .17, so I wouldn't consider myself a heavy player. I just now got back into .17 and have my first oil & train station.

I found satisfactory to be quite.. satisfactory , and I'm happy to see a world where both exists. But at the end of the day ...