"Cthulhu Mythos ADV Whispers of Madness in the Darkness & Island Sinking into Curses" Released for PS/Switch; Features Two "Solo-Playable RPGs" with a Shared Concept
Note: the original Japanese article can be found at:
https://www.4gamer.net/games/952/G095205/20251009013/
Editorial Department: Akasaka | 2025/10/09 03:51 (UTC)
Gotcha Gotcha Games today (October 9, 2025) released the horror dice-rolling adventure “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse” for PS5 / Nintendo Switch / PS4.
The price is 1,980 yen (tax included), and a special 10% off launch sale is currently underway.
This title is a bundle of the first two games in the Cthulhu Mythos ADV series: “Whispers in the Dark” and “The Island Sinking into Curse.” It’s an adventure game built around the concept of “a TRPG you can play alone,” set within the universe of the Cthulhu Mythos.
In Whispers in the Dark, the protagonist awakens in a creepy abandoned hospital, tormented by fragmented memories and mysterious voices, as they struggle to escape alongside companions.
In The Island Sinking into Curse, the cursed protagonist is stranded on a beautiful island in the Seto Inland Sea, uncovering ancient customs hidden within legends about Kūkai and urban myths like the “Eighty-Eight Pilgrimage.”
PlayStation Store: “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse”
My Nintendo Store: “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse”
Official Website: “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse”
Nintendo Switch / PS4 / PS5 versions
Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse is now available today (10/9) and a 10% off launch sale is also ongoing!
We are pleased to announce that Gotcha Gotcha Games, a subsidiary of Kadokawa Corporation headquartered in Chiyoda Ward, Tokyo, with President and CEO Shō Narita, has officially launched the horror dice-rolling adventure game Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse for Nintendo Switch, PS4, and PS5 today, October 9, 2025.
Two Series Titles Combined Into One on Nintendo Switch / PS4 / PS5!
Today, October 9 (Thursday), we have released Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse, a compilation of two horror dice-rolling adventure games based on the Cthulhu Mythos: “Whispers in the Dark” and “The Island Sinking into Curse.” Available now as digital downloads through Nintendo Switch, PS4, and PS5 storefronts.
What is the Cthulhu Mythos ADV Series?
An adventure game built around the concept of “a TRPG you can play alone.” Each title takes place in a universe inspired by the Cthulhu Mythos, offering players an experience of cosmic madness through abilities and dice rolls.
Image Gallery No.002 thumbnail / “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse” released for PS/Switch – features two games centered around “TRPGs you can play alone” Image Gallery No.003 thumbnail / “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse” released for PS/Switch – features two games centered around “TRPGs you can play alone”
・First Game: “Whispers in the Dark”
The protagonist awakens in a creepy abandoned hospital, confused by fragmented memories and strange voices, struggling to escape alongside companions. Experience exploration and puzzle-solving akin to an escape game, along with growing fear as one’s sense of self begins to dissolve.
Image Gallery No.004 thumbnail / “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse” released for PS/Switch – features two games centered around “TRPGs you can play alone” Image Gallery No.005 thumbnail / “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse” released for PS/Switch – features two games centered around “TRPGs you can play alone” Image Gallery No.006 thumbnail / “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse” released for PS/Switch – features two games centered around “TRPGs you can play alone”
・Second Game: “The Island Sinking into Curse”
The protagonist is cursed on a beautiful island in the Seto Inland Sea. Uncover ancient traditions hidden within legends about Kūkai and urban myths like the “Eighty-Eight Pilgrimage.” Enjoy island exploration, eerie puzzles involving strange documents, and emotionally rich storytelling with expanded character development. Some scenes feature voice acting.
Image Gallery No.007 thumbnail / “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse” released for PS/Switch – features two games centered around “TRPGs you can play alone” Image Gallery No.008 thumbnail / “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse” released for PS/Switch – features two games centered around “TRPGs you can play alone” Image Gallery No.009 thumbnail / “Cthulhu Mythos ADV Whispers in the Dark & The Island Sinking into Curse” released for PS/Switch – features two games centered around “TRPGs you can play alone”
・New Features in the Console Versions
In The Island Sinking into Curse, players can now choose from three different character sprites for the protagonist. Pick a design that suits your mood and dive deeper into the story.
※ The choice of sprite does not affect the storyline.
Launch Sale Now Live!
To celebrate the release, a special 10% off sale is currently underway. Take advantage of this great opportunity to purchase the game.
・Sale Period
Nintendo Switch version: October 9 (Thu) 00:00 – October 16 (Thu) 23:59
PlayStation version: October 9 (Thu) 00:00 – October 16 (Thu) 00:00
※ The PlayStation version discount is available only to PlayStation Plus members.
Character Introductions
【Protagonist】
▼Character A
Character Design: Mr. TAKOLEGS (@takolegs)
▼Character B
Character Design: Mr. Kusaka Nmuri (@nmuri)
▼Character C
Character Design: Mr. Shirano (@shirano_info)
【Tensha Enami Hatsumi】 Voice Actor: Maaya Mine
A friend of the protagonist, a university student.
Innocent and cheerful, always smiling warmly—perhaps due to her refined upbringing. She also has a fondness for horror stories and urban legends.
【Kaga Reiji】 Voice Actor: Haruki Ishiya
A friend of the protagonist, also a university student.
Academically excellent but procrastinates on job hunting, dedicating time instead to hobbies and part-time work. While his luck in horse racing or pachinko is poor, he never loses at mahjong thanks to sharp memory and keen insight.
【Minatsu Nagi Hotaru】 Voice Actor: Yuki Tanaka
A woman living on the island.
Physically frail and has never left the island, so she longs to experience city life. Her chance encounter with the protagonist sets fate’s wheel turning for both her and the island.
※ Appears in The Island Sinking into Curse
【Sawaki Yukitsune】 Voice Actor: Yuuya Hirose
A man living on the island.
Possesses mysterious powers and spends his days helping others. What is his true intention when he calls the protagonist “the one fated to be”?
※ Appears in The Island Sinking into Curse
【Minatsu Nagi Keiyū】 Voice Actor: Hideyuki Kouchi
Father of Minatsu Nagi Hotaru.
※ Appears in The Island Sinking into Curse