• Doki Doki Literature Club
• Mad Father
• Ib
• The Witch's House
• Blank Dream
• Corpse Party: Book of Blood
• Mermaid Swamp
• The Crooked Man
• The Hanged Man
• Cloé's Requiem
• Hello? Hell... o?
• Paranoiac
• Forest of Drizzling Rain

These games I didn't enjoy as much, but are worth a try.

• Misao
• Blight Dream
• Re:Kinder
• Fantasy Maiden's Odd Hideout