For what it's worth, my 5 year old son played Crawl (with the tiles) quite a lot (until he found out about Heroes 2 and 3 ... ) he really liked it and the old-school approach didn't bother him at all.
I'm not saying he was really good at it or anything but slowly he got things right and quite a few times I found a level 4-5 on my computer that I happily continued with
