I've only played one mysterous dungeon-like game, Torneko the last hope, but I must say I think hunger isn't a bad idea. It's something which adds a slight more challenge to the game. And it's not like it's going to constantly kill you off, I only had problems with it a couple of times, and that was at the beggining of the game when I was new to it. Bring a few loaves of bread in when you can, and with the bread you'll most likely find you'll be find. And if worse comes to worse you could even eat some herbs, they don't restore as much hunger as bread, but they do have nice side effects. Well, they usually do at least. So I do think it's an ok idea.