I believe The Beatles: Rock Band came the closest to being perfect. Eveything about that game was just beautifully done and the only things missing was Pro Drums, an option for Keys, and a few more Beatle songs (Hey Jude, Strawberry Fields Forever, Yesterday etc. etc.)
I think I would have to go with Stardew Valley. It has something for any mood I’m in.
I can spend my time on the farm, looking after the animals, crops, reorganising. I can go and be social with the neighbours, help them out, do some work towards the community centre. If I feel adventurous I can go explore the mines fighting monsters.
Where I’ve done all that I can start again on a new farm and try a different strategy, I can even play with friends and work together. Its just cozy fun.
Don’t forget the rich modding possibilities and the exhaustive mod landscape.