Games like Phantom of the Twilight
Games like Phantom of the Twilight include Mirror 2: Project X, OPUS: Echo of Starsong - Full Bloom Edition, Hatoful Boyfriend, Sweet Home, and 月华辉映之刻. We matched them by the tags players give Phantom of the Twilight on Steam (Simulation, Otome, Visual Novel, Interactive Fiction, and Immersive Sim): closest matches first, and among equally close ones the better-known games.

Mirror 2: Project X
Shared: Visual Novel · Interactive Fiction · Anime

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Interactive Fiction · Anime

Hatoful Boyfriend
Shared: Visual Novel · Otome · Anime

Sweet Home
Shared: Visual Novel · Interactive Fiction · Simulation

月华辉映之刻
Shared: Otome · Visual Novel · Female Protagonist

Love Delivery
Shared: Simulation · Visual Novel · 2D

Marco & The Galaxy Dragon
Shared: Visual Novel · Anime · Simulation

Love Is All Around
Shared: Visual Novel · Singleplayer · Interactive Fiction

Tricolour Lovestory
Shared: Visual Novel · Simulation · Anime

1 to 1 humanoid edible toys
Shared: Visual Novel · Simulation · Interactive Fiction

Amnesia™: Memories
Shared: Otome · Visual Novel · Anime

No Case Should Remain Unsolved
Shared: Visual Novel · Interactive Fiction · Adventure

灾厄黑龙与谎言公主
Shared: Visual Novel · Otome · Interactive Fiction

The NOexistenceN of you AND me
Shared: Visual Novel · Interactive Fiction · Anime

私のリアルは充実しすぎている フルボイス版
Shared: Otome · Visual Novel · Female Protagonist

Far Away
Shared: Visual Novel · Singleplayer · Anime

Refind Self: The Personality Test Game
Shared: Interactive Fiction · Visual Novel · 2D

Lucy -The Eternity She Wished For-
Shared: Visual Novel · Anime · Simulation

Folie Fatale
Shared: Otome · Visual Novel · Female Protagonist

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Interactive Fiction · Anime

Class of '09: The Re-Up
Shared: Visual Novel · Simulation · Anime

Miracle Snack Shop
Shared: Visual Novel · Simulation · Anime

Vampires' Melody
Shared: Visual Novel · Interactive Fiction · Adventure

Long Live The Queen
Shared: Visual Novel · Simulation · Anime