Games like 十三月のふたり姫/The 13th month
Games like 十三月のふたり姫/The 13th month include Far Away, The Witcher 3: Wild Hunt — Remastered, WITCH ON THE HOLY NIGHT, Clair Obscur: Expedition 33, and fault - milestone one. We matched them by the tags players give 十三月のふたり姫/The 13th month on Steam (Adventure, Dark Fantasy, Story Rich, Singleplayer, and Visual Novel): closest matches first, and among equally close ones the better-known games.

Far Away
Shared: Singleplayer · Visual Novel · Story Rich

The Witcher 3: Wild Hunt — Remastered
Shared: Story Rich · Adventure · Singleplayer

WITCH ON THE HOLY NIGHT
Shared: Adventure · Visual Novel · Story Rich

Clair Obscur: Expedition 33
Shared: Story Rich · Singleplayer · Adventure

fault - milestone one
Shared: Visual Novel · Singleplayer · Story Rich

Roadwarden
Shared: Adventure · Indie · Story Rich

The Life and Suffering of Sir Brante
Shared: Story Rich · Visual Novel · Choose Your Own Adventure

Hellblade: Senua's Sacrifice
Shared: Story Rich · Adventure · Singleplayer

GRIS
Shared: Adventure · Indie · Singleplayer

fault - milestone two side:above
Shared: Story Rich · Visual Novel · Indie

Tales of the Black Forest
Shared: Adventure · Story Rich · Indie

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Story Rich · Visual Novel · Indie

Florence
Shared: Adventure · Indie · Story Rich

Mirror 2: Project X
Shared: Visual Novel · Singleplayer · Anime

The Wolf Among Us
Shared: Adventure · Story Rich · Visual Novel

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Story Rich · Choose Your Own Adventure

Metaphor: ReFantazio
Shared: Adventure · Story Rich · Singleplayer

Sultan's Game
Shared: Story Rich · Singleplayer · Adventure

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Story Rich · Singleplayer

Danganronpa V3: Killing Harmony
Shared: Visual Novel · Story Rich · Singleplayer

The Crown of Leaves
Shared: Adventure · Story Rich · Visual Novel

Dragon Age: Origins - Ultimate Edition
Shared: Story Rich · Singleplayer · Adventure

PARANORMASIGHT: The Seven Mysteries of Honjo
Shared: Adventure · Visual Novel · Anime

Ruined King: A League of Legends Story™
Shared: Adventure · Singleplayer · Story Rich