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.
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.
Paper Mario: The Thousand-Year Door
Minecraft
EarthBound
Katamari Damacy
Stardew Valley
Chibi-Robo!
Paper Mario
Smile For Me
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.
A Short Hike
A Hat in Time
Elite Beat Agents
Wandersong
Baba is You
Sayonara Wild Hearts
Professor Layton and the Curious Village
Please assume this counts for the entire Professor Layton series
80 Days
Gravity Rush
Harvest Moon 64
Is this the good one? No idea
What the Golf?
The Witness
Animal Crossing: New Horizons
Slime Rancher
Untitled Goose Game
Florence
Dragon Quest Builders
Mini Metro
Wattam
Quiplash
Include all Jackbox games tbh
Monster Prom
Its also horny, but like in a fun way instead of creepy.
Rune Factory 2: A Fantasy Harvest Moon
My girlfriend said it was the the one to start with
Costume Quest
Dr. Langeskov, The Tiger, and The Terribly Cursed Emerald: A Whirlwind Heist