Games like Systematic Insanity
Games like Systematic Insanity include Danganronpa V3: Killing Harmony, Magical Girl Witch Trials, Danganronpa Another Episode: Ultra Despair Girls, NEEDY STREAMER OVERLOAD, and Wonderful Everyday Down the Rabbit-Hole. We matched them by the tags players give Systematic Insanity on Steam (Visual Novel, Female Protagonist, Story Rich, Narrative, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Danganronpa V3: Killing Harmony
Shared: Visual Novel · Female Protagonist · Story Rich

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

Danganronpa Another Episode: Ultra Despair Girls
Shared: Female Protagonist · Anime · Story Rich

NEEDY STREAMER OVERLOAD
Shared: Visual Novel · Psychological Horror · Anime

Wonderful Everyday Down the Rabbit-Hole
Shared: Visual Novel · Psychological Horror · Story Rich

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Story Rich · Anime

1000xRESIST
Shared: Female Protagonist · Story Rich · Visual Novel

Danganronpa 2: Goodbye Despair
Shared: Visual Novel · Anime · Story Rich

Doki Doki Literature Club Plus!
Shared: Visual Novel · Psychological Horror · Anime

WITCH ON THE HOLY NIGHT
Shared: Visual Novel · Anime · Story Rich

Dispatch
Shared: Story Rich · Nudity · Sexual Content

Raging Loop
Shared: Visual Novel · Psychological Horror · Story Rich

MiSide
Shared: Story Rich · Psychological Horror · Sexual Content

YOU and ME and HER: A Love Story
Shared: Visual Novel · Psychological Horror · Anime

Tricolour Lovestory
Shared: Visual Novel · Anime · Nudity

NEKOPARA Vol. 1
Shared: Visual Novel · Anime · Nudity

FATAL FRAME / PROJECT ZERO: Maiden of Black Water
Shared: Female Protagonist · Psychological Horror · Sexual Content

NEKOPARA Vol. 0
Shared: Visual Novel · Anime · Nudity

NEKOPARA Vol. 2
Shared: Visual Novel · Anime · Sexual Content

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

The Song of Saya
Shared: Visual Novel · Psychological Horror · Sexual Content

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

Folie Fatale
Shared: Female Protagonist · Visual Novel · Psychological Horror

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