Games like The Ethereal Dream
Games like The Ethereal Dream include Folie Fatale, Amnesia™: Memories, Hatoful Boyfriend, 月华辉映之刻, and Lay a Beauty to Rest: The Darkness Peach Blossom Spring. We matched them by the tags players give The Ethereal Dream on Steam (Otome, Adventure, Simulation, Mystery, and Dating Sim): closest matches first, and among equally close ones the better-known games.

Folie Fatale
Shared: Otome · Female Protagonist · Dating Sim

Amnesia™: Memories
Shared: Otome · Dating Sim · Female Protagonist

Hatoful Boyfriend
Shared: Dating Sim · Otome · Anime

月华辉映之刻
Shared: Otome · Dating Sim · Adventure

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Adventure · Mystery · Dating Sim

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Adventure · Dating Sim · Interactive Fiction

鬼谷八荒 Tale of Immortal
Shared: Simulation · Dating Sim · Adventure

Volcano Princess
Shared: Dating Sim · Simulation · Female Protagonist

Tricolour Lovestory
Shared: Dating Sim · Simulation · Anime

Hakuoki: Edo Blossoms
Shared: Otome · Adventure · Dating Sim

Danganronpa V3: Killing Harmony
Shared: Mystery · Anime · Female Protagonist

Danganronpa 2: Goodbye Despair
Shared: Anime · Mystery · Adventure

Mirror 2: Project X
Shared: Anime · Female Protagonist · Interactive Fiction

7'scarlet
Shared: Otome · Adventure · Anime

1 to 1 humanoid edible toys
Shared: Dating Sim · Adventure · Simulation

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

Psychedelica of the Black Butterfly
Shared: Otome · Adventure · Mystery

Ten Trials of Babel: The Doppelganger Maze
Shared: Otome · Female Protagonist · Adventure

Love Is All Around
Shared: Dating Sim · Adventure · Interactive Fiction

Marco & The Galaxy Dragon
Shared: Adventure · Anime · Female Protagonist

Refind Self: The Personality Test Game
Shared: Adventure · Female Protagonist · Interactive Fiction

Magical Girl Witch Trials
Shared: Mystery · Female Protagonist · Anime

노베나 디아볼로스
Shared: Simulation · Adventure · Mystery

Raging Loop
Shared: Adventure · Mystery · Indie