Just some chill serotonin games or stuff that just makes the world feel better. Many of these are building/farming games because that's what people generally use for that.
Please assume this counts for the entire Professor Layton series
Katamari Damacy
Ghost Trick: Phantom Detective
Much more serious than the other entries here. But it carries a fervent belief in fighting for a better future for your loved ones that I can't help but keep it on here.
Sayonara Wild Hearts
Florence
Gravity Rush
Elite Beat Agents
Monster Prom
Its also horny, but like in a fun way instead of creepy.
Mini Metro
Broken Age
Costume Quest
Chibi-Robo!
Quiplash
Include all Jackbox games tbh
What the Golf?
Dragon Quest Builders
Wandersong
Dr. Langeskov, The Tiger, and The Terribly Cursed Emerald: A Whirlwind Heist
Harvest Moon 64
Is this the good one? No idea
80 Days
Smile For Me
Wattam
Chulip
I hesitated to put this on good vibe serotonin because of just how frustrating the gameplay and mechanics and forward momentum can be, but its so darn charming it kinda beats that out.
Rune Factory 2: A Fantasy Harvest Moon
My girlfriend said it was the the one to start with