Games like The World Next Door
Games like The World Next Door include Tales of the Black Forest, OPUS: Echo of Starsong - Full Bloom Edition, Tomb Raider Game of the Year, Mirror 2: Project X, and Far Away. We matched them by the tags players give The World Next Door on Steam (Visual Novel, Puzzle, Indie, Female Protagonist, and Story Rich): closest matches first, and among equally close ones the better-known games.

Tales of the Black Forest
Shared: Indie · Visual Novel · Story Rich

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

Tomb Raider Game of the Year
Shared: Female Protagonist · Action · Story Rich

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

Far Away
Shared: Visual Novel · Story Rich · Female Protagonist

WILL: A Wonderful World / WILL:美好世界
Shared: Puzzle · Story Rich · Indie

Rise of the Tomb Raider™
Shared: Female Protagonist · Action · Adventure

The Cosmic Wheel Sisterhood
Shared: Female Protagonist · Visual Novel · LGBTQ+

ICEY
Shared: Female Protagonist · Action · Indie

OneShot
Shared: Indie · Story Rich · Puzzle

Portal 2
Shared: Puzzle · Story Rich · Female Protagonist

Danganronpa V3: Killing Harmony
Shared: Visual Novel · Female Protagonist · Story Rich

Refind Self: The Personality Test Game
Shared: Visual Novel · Female Protagonist · Story Rich

Phoenix Wright: Ace Attorney Trilogy
Shared: Visual Novel · Story Rich · Puzzle

VA-11 Hall-A: Cyberpunk Bartender Action
Shared: Visual Novel · Female Protagonist · Story Rich

No Case Should Remain Unsolved
Shared: Puzzle · Visual Novel · Story Rich

GRIS
Shared: Indie · Female Protagonist · Adventure

CrossCode
Shared: Puzzle · Female Protagonist · Indie

OPUS: Rocket of Whispers
Shared: Visual Novel · Indie · Story Rich

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

Danganronpa Another Episode: Ultra Despair Girls
Shared: Female Protagonist · Action · Story Rich

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

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

Sanfu
Shared: Puzzle · Visual Novel · 2D