Games like Holo ADV: SakuraSingularity.exe
Games like Holo ADV: SakuraSingularity.exe include Danganronpa: Trigger Happy Havoc, MiSide, Danganronpa V3: Killing Harmony, Mirror 2: Project X, and Danganronpa 2: Goodbye Despair. We matched them by the tags players give Holo ADV: SakuraSingularity.exe on Steam (Anime, Visual Novel, Psychological Horror, Horror, and Adventure): closest matches first, and among equally close ones the better-known games.

Danganronpa: Trigger Happy Havoc
Shared: Anime · Visual Novel · Psychological Horror

MiSide
Shared: Psychological Horror · Horror · Anime

Danganronpa V3: Killing Harmony
Shared: Visual Novel · Anime · Female Protagonist

Mirror 2: Project X
Shared: Anime · Visual Novel · 3D

Danganronpa 2: Goodbye Despair
Shared: Anime · Visual Novel · Psychological Horror

What Remains of Edith Finch
Shared: Adventure · Story Rich · Female Protagonist

Escape the Backrooms
Shared: Horror · Psychological Horror · Adventure

Tales of the Black Forest
Shared: Horror · Anime · Adventure

Return to Shironagasu Island
Shared: Visual Novel · Anime · Adventure

Raging Loop
Shared: Visual Novel · Psychological Horror · Adventure

Urban Myth Dissolution Center
Shared: Visual Novel · Psychological Horror · Adventure

Milk inside a bag of milk inside a bag of milk
Shared: Visual Novel · Psychological Horror · Horror

Mad Father
Shared: Anime · Psychological Horror · Horror

Firewatch
Shared: Adventure · Story Rich · First-Person

Outer Wilds
Shared: Adventure · Exploration · Story Rich

SILENT HILL f
Shared: Psychological Horror · Horror · Female Protagonist

Tiny Bunny
Shared: Visual Novel · Horror · Psychological Horror

Psychopomp
Shared: Psychological Horror · Horror · Anime

Five Nights at Freddy's: Security Breach
Shared: Horror · Adventure · First-Person

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

SOMA
Shared: Psychological Horror · Horror · Story Rich

Higurashi When They Cry Hou - Ch.5 Meakashi
Shared: Visual Novel · Anime · Horror

Poppy Playtime
Shared: Horror · Psychological Horror · First-Person

Higurashi When They Cry Hou - Ch.6 Tsumihoroboshi
Shared: Visual Novel · Anime · Horror