Hello, Leaf! Thank you so much for organizing this to GREAT SUCCESS, I hope it's okay to submit late!
Here are my three most popular games:
Your Dead Friend
https://jeeyonshim.itch.io/your-dead-friend
Have I Been Good?
https://jeeyonshim.itch.io/have-i-been-good
and my bestseller, Solitaire, a collection of SIX short solo games (in one document for easy access)
https://jeeyonshim.itch.io/solitaire