Trine (1 and 2 are pretty good in co-op dunno about the rest)
Kingdoms Of Amalur (it was designed as an mmo initially)
Fable series (well someone has to mention it I guess)
Ori series
Dust: An Elysian Tail
Bastion
King's Bounty (platinum bundle is pretty good but the rest of the games get progressively worse)
Unepic (close enough I guess)
Journey (some of the people who made it worked on ABZU The Pathless and the recently released Sword of the Sea so maybe check them out too)
A story about my uncle
Kena: Bridge of Spirits (haven't played it but it looks like a soulslike made by disney)
