Screenshots
Watch trailer on Steam ↗Succubus Nightmare
LUNA GameArt · Published by Mango Party
Content notice: All characters that appear in this game are adults. This game contains content that some players may find uncomfortable: Violence, Sex Acts, Non-Consensual Sex, Sexual Assault, Death, Gang Rape, Sex while Pregnant, Inflation/Belly Protrusion, Interspecies Sex, Bondage, Futanari, Tentacles, Exhibitionism, Use of Sex Toys, BDSM, Voyeurism, MonsterGirl Please play in an appropriate environment and be considerate of those around you. All content in this game is fictional and intended for adult audiences only. This game does not endorse or encourage non-consensual acts or sexual violence. Please comply with all applicable laws and social standards.
Very Positive — 85% positive (158 reviews)
Last updated 28 Sept 2026
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?!
Adventure, RPG · 2026 · More free games
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
Will my PC run this? →Minimum
- OS: Windows 10+
- Processor: Intel(R) Core(TM) i5-4690K
- Memory: 16 GB RAM
- Graphics: Nvidia GTX 1060
- Storage: 4 GB available space
Recommended
- OS: Windows 10+
- Processor: Intel Core i7-14700
- Memory: 16 GB RAM
- Graphics: Nvidia GTX 3060
- Storage: 4 GB available space
Supported Languages
*languages with full audio support
Latest news
AnnouncementsOfficial
"ROOM - 24/7 Total Surveillance": To love her is to watch her every move!
{STEAM_CLAN_IMAGE}/41075428/add660f876d1b4bf6a6aae4e65c8d208c04a5608.jpg About Game "I'm gonna capture every bit of her life through this lens..." A rookie news announcer named Hiiragi Yume has just moved from the countryside to Tokyo, into the condominium where you work as the landlord. She's nice to everyone, with a charming, down-to-earth personality. Her parents chose this condominium, thinking it would be safe, but little did they know, it was actually an "observation box"... Enter her room using your landlord's spare keys while she's away, and install hidden cameras everywhere to expose her vulnerable self in private and her secret weaknesses. Will this relationship that started from surveillance lead to "domination" or "pure love"? Rewrite her daily life through your own gaze! {STEAM_CLAN_IMAGE}/41075428/5b160ebc180d5c9053c929aeda45b3393c6ad2e8.jpg Game Features Infiltration and Surveillance: Create a plan to ensure your spying goes perfectly without a hitch! Multiple Endings: Blackmail and dominate her with your recorded footage, or hide your desires and have her confess her love to you as a "lover"? Varied H-Situations: 30 types of animated HCGs, featuring highly realistic motion details and facial expression changes. Beautiful CGs: Over 20 images, featuring multiple high-quality illustrations selected from H-scenes. {STEAM_CLAN_IMAGE}/41075428/003b617707215fb03184089371ef786e320ce378.jpg {STEAM_CLAN_IMAGE}/41075428/9ebf88c9864d300da30ff68c3a48a458a3cd4ffa.jpg {STEAM_CLAN_IMAGE}/41075428/e19a4189eb5f911280db6a1d2147b8eecd6d7516.jpg Add to Wishlist https://store.steampowered.com/app/3116460/ Coming Soon https://store.steampowered.com/app/3711590/ https://store.steampowered.com/app/2694020/ https://store.steampowered.com/app/3192280/ Follow us! https://cdn.akamai.steamstatic.com/steamcommunity/public/images/clans/41075428/e3462ce8ea4a472a9fd5e383ff2b3a9e9fc5e14c.jpg Steam Publishr Page X(Twitter) Facebook Instagram YouTube DiscordRead full article on Community Announcements (jackson3655)AnnouncementsOfficial
"Innocent Assault": Beware of Monsters and Erotic Traps!
{STEAM_CLAN_IMAGE}/41075428/96cb4c9f71e65104a9ab6d7ab357c0466d10cc52.jpg About Game In a distant world, a powerful "Demon" appeared, swallowing a part of the world—including towns, residents, and everything within—into a magical space known as the "Demon Void." To reclaim their world, countless heroes became Demon Hunters and ventured into the Demon Void to slay the demon, yet not a single soul has returned... Airi, a girl who simply admires cool Demon Hunters and dreams of becoming one herself, sets off on her adventure filled with innocent fantasies. Airi will navigate the Demon Void using a "Sword × Gun" dual-combat system, exploring and conquering one unique stage after another. {STEAM_CLAN_IMAGE}/41075428/9437427829535e6af5afc153344a7a646dc7b5ef.jpg Game Features Up to 35 maps for players to explore, including 8 main story stages, side challenges, and unique Boss battles. Lots of lewd content, featuring 37 defeat CG scenarios, primarily focusing on various monsters and traps. Switch between "Sword × Gun" modes at any time for a diverse and rich combat experience! An outfit system paired with a 3D free-look camera makes exploration and combat even more pleasing to the eye. {STEAM_CLAN_IMAGE}/41075428/9f54906a8850ced775cb77af0a4f6f9c3ee102ca.jpg {STEAM_CLAN_IMAGE}/41075428/01c874c7a8c16ac6bf55308485c1b9ec43e86aa4.jpg {STEAM_CLAN_IMAGE}/41075428/fdb1fb2afed0b988db7286db4f6ad4cf8800c9d8.jpg Add to Wishlist https://store.steampowered.com/app/4265410/ Coming Soon https://store.steampowered.com/app/4011180/ https://store.steampowered.com/app/3711590/ https://store.steampowered.com/app/2694020/ Follow us! https://cdn.akamai.steamstatic.com/steamcommunity/public/images/clans/41075428/e3462ce8ea4a472a9fd5e383ff2b3a9e9fc5e14c.jpg Steam Publishr Page X(Twitter) Facebook Instagram YouTube DiscordRead full article on Community Announcements (jackson3655)
