Games like Twincantation
Games like Twincantation include Tiny Bunny, Slay the Princess — The Pristine Cut, Sally Face - Episode One, The Coffin of Andy and Leyley, and No, I'm not a Human. We matched them by the tags players give Twincantation on Steam (Visual Novel, Psychological Horror, Choices Matter, Dark, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Tiny Bunny
Shared: Visual Novel · Psychological Horror · Dark

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Psychological Horror · Choices Matter

Sally Face - Episode One
Shared: Psychological Horror · Story Rich · Dark

The Coffin of Andy and Leyley
Shared: Visual Novel · Psychological Horror · Story Rich

No, I'm not a Human
Shared: Psychological Horror · Choices Matter · Story Rich

The Test
Shared: Psychological Horror · Story Rich · Choose Your Own Adventure

Dagon: by H. P. Lovecraft
Shared: Visual Novel · Atmospheric · Psychological Horror

The Wolf Among Us
Shared: Choices Matter · Story Rich · Visual Novel

Little Misfortune
Shared: Psychological Horror · Choices Matter · Story Rich

Night in the Woods
Shared: Story Rich · Atmospheric · Choices Matter

The Life and Suffering of Sir Brante
Shared: Choices Matter · Visual Novel · Story Rich

Scarlet Hollow
Shared: Visual Novel · Choices Matter · Psychological Horror

The House in Fata Morgana
Shared: Visual Novel · Psychological Horror · Story Rich

Coffee Talk
Shared: Visual Novel · Atmospheric · Story Rich

Minds Beneath Us
Shared: Choices Matter · Visual Novel · Atmospheric

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Dark · Story Rich

Suzerain
Shared: Visual Novel · Choices Matter · Choose Your Own Adventure

The Casting of Frank Stone™
Shared: Choices Matter · Psychological Horror · Story Rich

OMORI
Shared: Psychological Horror · Story Rich · Hand-drawn

Death and Taxes
Shared: Choices Matter · Psychological Horror · Story Rich

Tavern Talk - A Cozy Visual Novel
Shared: Visual Novel · Choices Matter · Story Rich

Oxenfree
Shared: Choices Matter · Story Rich · Atmospheric

The Crown of Leaves
Shared: Visual Novel · Story Rich · Choices Matter

Far Away
Shared: Visual Novel · Choices Matter · Story Rich

