Games like UnderParty
Games like UnderParty include Mysteria ~Occult Shadows~, LEWDAPOCALYPSE Hentai Evil, Clive Barker's Hellraiser: Revival, Blasphemous, and Bright Memory: Infinite. We matched them by the tags players give UnderParty on Steam (Gore, Violent, Sexual Content, Nudity, and Cartoony): closest matches first, and among equally close ones the better-known games.

Mysteria ~Occult Shadows~
Shared: Sexual Content · Nudity · Female Protagonist

LEWDAPOCALYPSE Hentai Evil
Shared: Sexual Content · Nudity · Female Protagonist

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

Blasphemous
Shared: Gore · Violent · Action

Bright Memory: Infinite
Shared: Sexual Content · Female Protagonist · Action

Muse Dash
Shared: Sexual Content · Cute · Female Protagonist

Hentai Vs Furries
Shared: Sexual Content · Nudity · Violent

Grand Theft Auto: San Andreas – The Definitive Edition
Shared: Sexual Content · Nudity · Violent

Magical Girl Witch Trials
Shared: Female Protagonist · Sexual Content · Cute

Bayonetta
Shared: Sexual Content · Nudity · Female Protagonist

your wife
Shared: Sexual Content · Nudity · Cute

Age of Barbarian Extended Cut
Shared: Gore · Nudity · Sexual Content

DEAD OR SCHOOL
Shared: Sexual Content · Female Protagonist · Nudity

Haydee
Shared: Sexual Content · Nudity · Female Protagonist

Mortal Kombat 11
Shared: Gore · Violent · Action

CARRION
Shared: Gore · Violent · Action

My Friend Pedro
Shared: Gore · Violent · Action

Action Taimanin
Shared: Sexual Content · Nudity · Female Protagonist

ULTIMATE HARDBASS DEFENCE
Shared: Sexual Content · Nudity · Female Protagonist

The Vagrant
Shared: Female Protagonist · Action · Nudity

Hotline Miami
Shared: Violent · Gore · Action

Bloodstained: Ritual of the Night
Shared: Female Protagonist · Action · Anime

Bloody Spell
Shared: Sexual Content · Nudity · Female Protagonist

Hotline Miami 2: Wrong Number
Shared: Gore · Violent · Action