Procession to Calavry is a point-and-click adventure game tagged as “medieval” and “dark comedy” which is spot on.
The Longing is a pretty experimental game about waiting. You can win the game by waiting 400 hours, or you can go for one of the alternative endings, all of them needing a lot of waiting around.
Return of the Obra Dinn is a game you should take your time in. Explore. Ponder. Explore. Ponder. It has been compared to filling in crosswords.
Ittle Dew is a puzzle game with a Zelda-ish style and cute punk comedy presentation.