Best Co-op Games For PlayStation 4?

Hello, I was wondering which games for PS4 would be the best for co-op? I play with my grandpa and I just wanna play something kind of easy with him. He doesn't really do as good against real people (PvP). We already have Destiny, but is there any other games that can be fun? I heard Black Ops 3 lets you play the Campaign with other people. Would that be good, or the new Star Wars Battlefront game that has Survival & the fights against AI? Thank you so much guys! I just wanna give my grandpa the best Online experience that I can.

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