Games like 栖霞日记
Games like 栖霞日记 include Undertale, DELTARUNE, Phoenix Wright: Ace Attorney Trilogy, Otaku's Adventure, and Mirror 2: Project X. We matched them by the tags players give 栖霞日记 on Steam (RPG, Visual Novel, 2D, Anime, and Mystery): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: RPG · Story Rich · Funny

DELTARUNE
Shared: RPG · Story Rich · Funny

Phoenix Wright: Ace Attorney Trilogy
Shared: Visual Novel · Mystery · Anime

Otaku's Adventure
Shared: Visual Novel · RPG · Funny

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

The NOexistenceN of you AND me
Shared: Visual Novel · Anime · Story Rich

NEEDY STREAMER OVERLOAD
Shared: Visual Novel · Anime · 2D

Sanfu
Shared: RPG · Mystery · 2D

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Story Rich · Anime

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Anime · Mystery

The Weeping Swan: Ten Days of the City's Fall
Shared: Visual Novel · Anime · Story Rich

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Visual Novel · Mystery · Anime

Persona 4 Golden
Shared: RPG · Anime · Story Rich

Aliya: Timelink
Shared: RPG · Visual Novel · 2D

Firework
Shared: 2D · Mystery · Indie

Doki Doki Literature Club Plus!
Shared: Visual Novel · Anime · Story Rich

Billionaire Lovers
Shared: RPG · Visual Novel · Anime

Tales of the Black Forest
Shared: RPG · Visual Novel · Anime

Danganronpa 2: Goodbye Despair
Shared: Visual Novel · Anime · Mystery

Higurashi When They Cry Hou - Ch.1 Onikakushi
Shared: Visual Novel · Anime · Mystery

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

To the Moon
Shared: Story Rich · Indie · RPG

The Hex
Shared: Mystery · Story Rich · Indie

Far Away
Shared: Visual Novel · Story Rich · Anime