Synopsis
A mansion exploration-style, spine-chilling 18+ erotic horror RPG!
Over 170 base images! Multiple endings included!
Plus switchable full-color CG and pixel art modes!
Which of your 5 companions will you choose? Who will you survive with?!
Everything depends on your actions…
■STORY■
The Ayaoji Manor stands quietly in a dark forest, now abandoned by all.
Yamabe, a university professor and friend of the manor’s owner Ayaoji, takes interest in this old estate. With Ayaoji’s permission, he arrives to explore it with his assistant.
Then the horrifying phenomena begin…
Soon, Yamabe’s son Homura and his friends become caught up in the terror as well.
“If only we hadn’t known… we could have lived peacefully forever…”
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Updates including bug fixes are available.
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■WARNINGS■
・This is a horror game
・Contains depictions of death and blood imagery (no extreme gore like dismemberment or organs)
・Features events and endings with M×F, M×M, and F×F content (BL filter available for those uncomfortable with it)
・Not all events are viewable in a single playthrough
・Explicit scenes don’t appear immediately—this is not designed for quick gratification
■DEMO WARNINGS■
・Demo saves cannot be transferred to the full version
※Playing the demo first to check compatibility is recommended.
Editorial Review
Abaddon positions itself as a rare hybrid—marrying mansion horror with BL harem dynamics and RPG mechanics into a single package that most doujin works wouldn’t dare attempt. The combination of gay romance elements within a survival-horror framework specifically remains uncommon enough in the English-accessible doujin space to warrant attention from adventurous players seeking something structurally ambitious.
The distinctive appeal here centers on its commitment to environmental storytelling through mansion exploration paired with genuine narrative branching tied to companion relationships. The emphasis on “which companion will you survive with” and multiple endings suggests the game isn’t simply bolting romance onto horror—it’s making survival outcomes dependent on relationship investment, which is a smarter integration of mechanics than most works manage. The dual presentation modes (full-color CG and pixel art switchability) demonstrates production thoughtfulness, and 170+ base images across a harem-scale cast speaks to substantial asset volume. The inclusion of the childhood friend archetype (幼なじみ) alongside five selectable companions hints at deliberate character differentiation rather than palette-swapped love interests.
The horror content itself appears measured—blood and death imagery present, but explicitly avoiding extreme gore, which suggests the developers prioritize atmosphere and dread over shock value. This restraint often indicates stronger writing foundations than gratuitous alternatives.
This lands squarely for players who balance equal appetite for queer romance and atmospheric horror, particularly those fatigued by horror titles that treat LGBTQ+ content as novelty rather than narrative substance. Fans of escape-puzzle mechanics layered with relationship management will find the structural ambition appealing.
Abaddon commits fully to its weird cross-genre identity without apologizing for either half. That integrity alone makes it worth exploring for the right audience.
Get “Abaddon: The Princess Sleeping” on DLsite
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Related Tags:
RPG | romance | Harem | Multiple Endings | Horror
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