Adventure · March 2, 2020
Return to Shironagasu Island (2020)
I'm going back to the sinister Shironagasu Island... A mystery adventure game and visual novel set on solitary Shironagasu Island. Explore the island and discover its sinister secrets as detective Sen Ikeda and your assistant Neneko Izumozaki. Sen Ikeda, a detective in New York, receives a mysterious invitation to Shironagasu Island in the testament of a millionaire. Together with Neneko Izumozaki, a girl with special abilities, he travels to the secluded island. Solve numerous mysteries and murders! Meet enigmatic and captivating characters! Discover the hidden secret of Shironagasu Island! Stay alive and escape from the ominous island!
Adventure releases from 2020
100 Adventure titles launched in 2020 — top 6 by review volume.
Peer Adventure titles
Comparable titles in the same genre and review-volume band — ranked by Steam positive percentage.
Community Tag Signals
Tag weights reflect how many Steam users voted each descriptor — larger pills = stronger consensus.
- Adventure · 101
- Visual Novel · 67
- Mystery · 56
- Horror · 49
- Anime · 37
- Psychological Horror · 30
- Story Rich · 29
- Detective · 28
- Choices Matter · 27
- Point & Click · 25
- Thriller · 22
- Singleplayer · 21
- Sci-fi · 17
- Drama · 17
- Atmospheric · 16
Position in Adventure
| Metric | This title | Genre position |
|---|---|---|
| Review volume | 3.5k Steam reviews | Top 62% in Adventure |
| Positive rating | 94% positive | Genre average: 87% — this title sits in top 34% |
| Engagement hours | 8 h average | Top 40% for session depth among Adventure |
Localization Coverage
Interface / Subtitles (12)
- Simplified Chinese
- Japanese volume_up
- English
- Korean
- Spanish - Spain
- Spanish - Latin America
- German
- Polish
- French
- Traditional Chinese
- Russian
- Portuguese - Brazil volume_up
Full audio (2)
- Japanese
- Portuguese - Brazil
Engagement Profile
All-time avg
8h
short (5–15 hours)
Median
10h
Typical completion time
2-week avg
12h
Current engagement
Achievements
6
Steam unlocks available
Reception Metrics
Steam community
94%Very Positive · 3.5k reviews
3.3k positive · 211 negative
Curator recommendations
3.6k
Release & Availability
| Release date | Mar 2, 2020 |
|---|---|
| Developer | HYOGO ONIMUSHI |
| Publisher | TABINOMICHI |
| Base price | $2.24 |
| DLC / Add-ons | 3 released |
| Platforms | Windows |
| Estimated owners | 100k–1M |
| External links | Official site · [email protected] |
Features & Capabilities
Community
- Steam Achievements
- Steam Trading Cards
- Steam Cloud
Other
- Single-player
- Family Sharing
Editions & Packages
Buy Return to Shironagasu Island











