Games like Sister Other Paranoia
Games like Sister Other Paranoia include NEEDY STREAMER OVERLOAD, Doki Doki Literature Club Plus!, The NOexistenceN of you AND me, Tiny Bunny, and The Hungry Lamb: Traveling in the Late Ming Dynasty. We matched them by the tags players give Sister Other Paranoia on Steam (Cute, Psychological Horror, Visual Novel, Anime, and Story Rich): closest matches first, and among equally close ones the better-known games.

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

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

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

Tiny Bunny
Shared: Visual Novel · Story Rich · Psychological Horror

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

MiSide
Shared: Cute · Psychological Horror · Story Rich

ATRI -My Dear Moments-
Shared: Cute · Visual Novel · Anime

Magical Girl Witch Trials
Shared: Cute · Visual Novel · Story Rich

Undertale
Shared: Story Rich · Multiple Endings · Choices Matter

The Song of Saya
Shared: Psychological Horror · Visual Novel · Anime

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

Far Away
Shared: Visual Novel · Story Rich · Cute

BLACK SOULS
Shared: Cute · Psychological Horror · Story Rich

Lucy -The Eternity She Wished For-
Shared: Visual Novel · Anime · Cute

Yunyun Syndrome!? Rhythm Psychosis
Shared: Psychological Horror · Cute · Anime

Fate/stay night REMASTERED
Shared: Visual Novel · Anime · Story Rich

The Test
Shared: Psychological Horror · Choose Your Own Adventure · Story Rich

The Coffin of Andy and Leyley
Shared: Visual Novel · Story Rich · Psychological Horror

OneShot
Shared: Cute · Story Rich · Indie

BAD END THEATER
Shared: Visual Novel · Story Rich · Cute

STEINS;GATE
Shared: Visual Novel · Anime · Story Rich

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

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Psychological Horror · Story Rich

Milk outside a bag of milk outside a bag of milk
Shared: Psychological Horror · Visual Novel · Story Rich