Games like Sanatorium Purgatorium
Games like Sanatorium Purgatorium include Doki Doki Literature Club Plus!, Tricolour Lovestory, The Song of Saya, NEKOPARA Vol. 0, and NEEDY STREAMER OVERLOAD. We matched them by the tags players give Sanatorium Purgatorium on Steam (Sexual Content, Nudity, Gore, Indie, and Casual): closest matches first, and among equally close ones the better-known games.

Doki Doki Literature Club Plus!
Shared: Sexual Content · Visual Novel · Gore

Tricolour Lovestory
Shared: Sexual Content · Nudity · Visual Novel

The Song of Saya
Shared: Sexual Content · Gore · Visual Novel

NEKOPARA Vol. 0
Shared: Nudity · Sexual Content · Anime

NEEDY STREAMER OVERLOAD
Shared: Sexual Content · Visual Novel · Anime

NEKOPARA Vol. 1
Shared: Nudity · Sexual Content · Anime

NEKOPARA Vol. 3
Shared: Sexual Content · Nudity · Anime

NEKOPARA Vol. 2
Shared: Sexual Content · Nudity · Anime

Tiny Bunny
Shared: Visual Novel · Gore · Story Rich

An alt girl for skoof
Shared: Sexual Content · Visual Novel · Casual

Yokai's Secret
Shared: Sexual Content · Nudity · Indie

月影魅像-解放之羽-
Shared: Sexual Content · Visual Novel · Gore

Scorn
Shared: Gore · Sexual Content · Nudity

your wife
Shared: Sexual Content · Nudity · Casual

LEWDAPOCALYPSE Hentai Evil
Shared: Sexual Content · Nudity · Indie

Clive Barker's Hellraiser: Revival
Shared: Sexual Content · Gore · Nudity

Outlast 2
Shared: Gore · Psychological Horror · Violent

Wonderful Everyday Down the Rabbit-Hole
Shared: Sexual Content · Visual Novel · Nudity

NEKOPARA Vol. 4
Shared: Sexual Content · Nudity · Visual Novel

Raging Loop
Shared: Visual Novel · Indie · Gore

YOU and ME and HER: A Love Story
Shared: Sexual Content · Visual Novel · Nudity

Taboos: Cracks
Shared: Sexual Content · Nudity · Indie

Hello Charlotte EP3: Childhood's End
Shared: Gore · Indie · Violent

Sakura Swim Club
Shared: Nudity · Sexual Content · Indie