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Succubus Nightmare
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Succubus Nightmare is a 3D erotic puzzle game. Play as Charlotte, the older of two stepsisters, as she leads her sister out of a sprawling manor controlled by a succubus. As the story unfolds, the truth behind the mystery slowly unravels—but is someone else really the mastermind behind all this?!

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Features
Languages:
Interface Full Audio Subtitles
English ✔ ✔ ✔
Traditional Chinese ✔ ✔
Japanese ✔ ✔ ✔
Korean ✔ ✔
Simplified Chinese ✔ ✔
Check out the entire Mango Party collection on Steam

Download Succubus Nightmare Demo

This game is not yet available on Steam

Planned Release Date: Q3 2026

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Mature Content Description

The developers describe the content like this:

All characters depicted are over the age of 20.
Content Warning! This game depicts: Violence, Sex Acts, Non-Consensual Sex, Sexual Assault, Gang Rape, Sex while Pregnant, Inflation/Belly Protrusion, Interspecies Sex, Bondage, Futanari, Tentacles, Exhibitionism, Anal Sex, Paizuri, Blowjobs, Use of Sex Toys, BDSM.

About This Game


Succubus Nightmare is a 3D erotic puzzle game.
Play as Charlotte, the older of two stepsisters,
as she leads her sister out of a sprawling manor controlled by a succubus.
As the story unfolds, the truth behind the mystery slowly unravels—but is someone else really the mastermind behind all this?!

Characters








The game features two stages: the Manor and the Church.

Interact with the environment and find a way to escape.

Watch out for the brainwashed servants.
Use your innate abilities to escape their creepy grasp!

Failure leads to punishment and humiliation

Unlock all 25 sex scenes, each featuring free camera mode

System Requirements

    Minimum:
    • OS *: Windows 7
    • Processor: Intel® Core™ 2 Duo E6600 or AMD Phenom™ X3 8750
    • Memory: 2 GB RAM
    • Graphics: DX10, DX11, DX12 capable.
    • Storage: 4 GB available space
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
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