Sinen Studio opens teaser site for PROTOCOL: NOAH
The PC visual novel adventure is set for November 2026 and is being exhibited at Steam Next Fest, with 13 endings and Japanese, English and Chinese support.
Sinen Studio opened a teaser site on October 21 for PROTOCOL: NOAH, the developer's first title and a PC (Steam) visual novel adventure game, according to gamebiz.jp. The game is scheduled for release in November 2026.
PROTOCOL: NOAH is currently being exhibited at Steam Next Fest, which runs from 2:00 on October 20 to 2:00 on October 27 Japan time. The price is undecided.
The game is a scenario adventure in which the player acts as a "tuner" who adjusts the minds and bodies of girls fighting phantoms. It is set in the school city Arc, where battles against the mysterious enemy Phantom continue, and the protagonist, tuner Rei, deepens bonds with heroines Serena, Rin and Nanano as the threat of day five approaches.
The story loops back to day one after its day-five ending and has 13 endings in total. Nine of them are bad endings presented as fully animated "death ends." The scenario runs over 200,000 characters long, and the game uses more than 200 still illustrations with 2.5D motion.
It supports Japanese, English, Simplified Chinese, Traditional Chinese and Korean, and is for one player on Windows and macOS. Sinen Studio was founded in April 2026 and began work on the title about one month later, planning release after roughly half a year of development.
Quick answers
When does PROTOCOL: NOAH release?
Sinen Studio has scheduled the game for release in November 2026. The price is undecided.
What platforms and languages does PROTOCOL: NOAH support?
It is a PC (Steam) title for one player on Windows and macOS, with Japanese, English, Simplified Chinese, Traditional Chinese and Korean support.
How many endings does PROTOCOL: NOAH have?
The game has 13 endings in total, nine of which are bad endings shown as fully animated "death ends."