When looking at Kickstarter game-projects the base goal often says the game will be made for all three PC, Mac and Linux.
As I do not know enough about programming I would like someone who knows to explain: is it nowdays whitout problem to make a game and whitout much work get a PC-port, a Mac-port and a Linux-port?
If so why is it that Steam that tries to promote Linux for its Steam Machine seems to struggle getting all games in a Linux-port?







