Phogs is a cute co-op game where you a control a double ended dog (Think Cat-Dog but it’s a double dog) to solve puzzles through themed worlds (food, sleep, and playing, a puppy’s favorite activities). It’s only 2 player though so I’m not sure if that’s what you’re looking for.
I’m so glad I’m not the only person that gets the same “theme park” vibes from MMOs. It really takes me out of it when someone is doing the same quest as me but is a few steps ahead so they trigger a unique animation or dialogue from the quest giver, and then I experience the same animation or dialogue a few minutes later. Kinda like waiting in line for a ride but you can hear or see some parts of the ride as you progress through the line.