I've got friends who are literally working alone on indie games that have no prospect of profit or commercial success. I've got guys working on iPhone games.
I make M-rated games for adults, you know, with guys wearing sunglasses at night and trench coats.
Let me tell you, writing comics is as hard as anything I've ever done - for me, at least. I'm now officially in awe of guys who can crank out multiple books a month and maintain a high level of quality. Comics are completely different than any other medium I've dabbled in.