Games like 无梦少女 DreamlessGirl
Games like 无梦少女 DreamlessGirl include Mirror 2: Project X, NieR:Automata™, Touhou Hero of Ice Fairy, Tales of the Black Forest, and Tales of Berseria™. We matched them by the tags players give 无梦少女 DreamlessGirl on Steam (Bullet Hell, Anime, Story Rich, Female Protagonist, and RPG): closest matches first, and among equally close ones the better-known games.

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

NieR:Automata™
Shared: Story Rich · RPG · Female Protagonist

Touhou Hero of Ice Fairy
Shared: Bullet Hell · Anime · Female Protagonist

Tales of the Black Forest
Shared: RPG · Story Rich · Anime

Tales of Berseria™
Shared: Anime · Female Protagonist · Story Rich

永远消失的幻想乡 ~ The Disappearing of Gensokyo
Shared: Bullet Hell · Anime · Female Protagonist

Magical Girl Witch Trials
Shared: Female Protagonist · Story Rich · Visual Novel

BioShock Infinite
Shared: Story Rich · RPG · Action

Volcano Princess
Shared: Female Protagonist · Anime · RPG

ICEY
Shared: Anime · Female Protagonist · Action

Marco & The Galaxy Dragon
Shared: Anime · Female Protagonist · Story Rich

Sweet Home
Shared: Female Protagonist · LGBTQ+ · RPG

彷徨之街 The Street of Adrift
Shared: Story Rich · Anime · Female Protagonist

Honkai Impact 3rd
Shared: Anime · RPG · Story Rich

Wuthering Waves
Shared: Anime · Story Rich · RPG

Far Away
Shared: Story Rich · Female Protagonist · Anime

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

Half-Life: Alyx
Shared: Story Rich · Female Protagonist · FPS

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

WILL: A Wonderful World / WILL:美好世界
Shared: Story Rich · RPG · Female Protagonist

NieR Replicant™ ver.1.22474487139...
Shared: Story Rich · RPG · Anime

Bloodstained: Ritual of the Night
Shared: Female Protagonist · RPG · Anime

DRAGON BALL Z: KAKAROT
Shared: Anime · RPG · Story Rich

Touhou Blooming Chaos 2
Shared: Bullet Hell · RPG · Anime