I've wanted to do that for awhile but I've had trouble with trying to port my games to other OS's. Linux was such a strange and frustrating process I kind of just gave up and for Mac you need to own a Mac to port it for some reason. UE4 is just weird like that. I'll definitely try porting my games to other OS's in the future, I just need to dedicate some time to learning how to port to Linux and maybe get my hands on a Mac someday.