As far as I'm aware there are no other games that capture such potent whimsy. Fable, Fable II and Fable III are all great cozy adventure games, with the latter games having co op available. It's great fun, and currently a legitimate copy of the game for PC costs more than $400 and even IF you bought it, I don't believe it would actually work considering games for windows is a dead platform.
If you value:
comfort food fun
great music motifs that can get stuck in your head
a co-op adventure where you and a friend have fun smacking, shooting, looting and using magic on everything in your path
character customization (clothing, emotes, hair, good / evil personality)
then you should try fable