Return to Shironagasu Island

Horror mystery visual novel about murders on an isolated island

ONIMUSHI Hyogo · Published by TABINOMICHI · Released Mar 2, 2020

Reviews: Very Positive; 94% of 4,277
Recent reviews: Very Positive; 87% of 83 in 30 days
Playing now: 28; right now
Steam Deck: Playable
Last update: 5 months ago; Apr 5, 2026

What is Return to Shironagasu Island?

This single-player horror mystery visual novel follows New York detective Sen Ikeda and his assistant Neneko Izumozaki to a secluded island after an invitation arrives through a millionaire's will. You read the story, explore the island, and investigate murders while trying to find a way to escape.

For you if...

+you enjoy visual novels with shifting mysteries
+you like horror mixed with occasional lighter moments

Not for you if...

−you want a detective game built around complex deductions
−you prefer mysteries without horror or paranormal elements

What players say

94% of 4,277 reviews are positive · 87% of 83 in the last 30 days

Players praise the story's twists, unsettling atmosphere, music, and voice acting. Some criticize shallow characters and a later plot that moves away from the initial murder mystery; others object to fan service in the extra chapter.

Screenshots and trailer

Return to Shironagasu Island system requirements

As published by the developer.

Minimum

OS: Windows Vista/7/8/10/11
Processor: Pentium III 800MHz
Graphics: 128MB
Memory: 256 MB RAM
Storage: 800 MB available space
DirectX: Version 9.0

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS
Achievements: 6
Steam features: Cloud saves, Family Sharing, Trading cards

Steam Deck: Playable

Default controller config not fully functional
Display output has nonblocking issues
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

Multiplayer and co-op

Single-player

Languages

Full audio: Japanese. Text only: Simplified Chinese, English, Korean, Spanish - Spain, Spanish - Latin America, German, Polish, French, Traditional Chinese, Russian, Portuguese - Brazil.