Games like The Witch's Yarn
Games like The Witch's Yarn include Florence, There Is No Game: Wrong Dimension, Broken Age, Iris.Fall, and GRIS. We matched them by the tags players give The Witch's Yarn on Steam (Adventure, Indie, Casual, Female Protagonist, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Florence
Shared: Indie · Adventure · Casual

There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Point & Click

Broken Age
Shared: Adventure · Indie · Point & Click

Iris.Fall
Shared: Adventure · Casual · Indie

GRIS
Shared: Indie · Adventure · Female Protagonist

Little Misfortune
Shared: Indie · Adventure · Point & Click

Mirror 2: Project X
Shared: Female Protagonist · Singleplayer · Visual Novel

The Room
Shared: Adventure · Point & Click · Singleplayer

Chants of Sennaar
Shared: Adventure · Indie · Singleplayer

That's not my Neighbor
Shared: Adventure · Casual · Indie

Far Away
Shared: Singleplayer · Visual Novel · Female Protagonist

Lil' Guardsman
Shared: Adventure · Casual · Indie

Assemble with Care
Shared: Indie · Casual · Female Protagonist

Gorogoa
Shared: Indie · Singleplayer · Casual

Shan Gui (山桂)
Shared: Indie · Female Protagonist · Adventure

Hollow Knight: Silksong
Shared: Indie · Singleplayer · Adventure

Melvor Idle
Shared: Casual · Indie · Adventure

Fluffy Store
Shared: Indie · Adventure · Visual Novel

Once Again
Shared: Adventure · Indie · Casual

Marco & The Galaxy Dragon
Shared: Adventure · Female Protagonist · Visual Novel

Silence
Shared: Adventure · Indie · Point & Click

If Found...
Shared: Indie · Casual · Adventure

Monument Valley
Shared: Adventure · Casual · Singleplayer

fault - milestone one
Shared: Female Protagonist · Visual Novel · Adventure