Augment Protocol

Publisher
Key
PROTOTYPE
Developer
Key
Release Dates
(PC) Japan
Nov 28 2025
(Switch) Japan
Oct 1 2026
Japanese Title
虹彩都市

Augment Protocol is a visual novel video game developed and published by KEY. The Switch version is published by PROTOTYPE.

Augment Protocol News

Augment Protocol Trailers

Launch Countdown: After Launch
Launch Countdown: Launch Day
Launch Countdown: One Day
Launch Countdown: Two Days
Launch Countdown: Three Days
Original Soundtrack: "Oboeteru? Kodomo Datta Toki?"
Original Soundtrack: "Are? Watashi Mata Nanka Yacchaimashita?"
Original Soundtrack: "Issho ni Sagaso? Anokoro no Omoide"
Original Soundtrack: "3rd eye"
Original Soundtrack: "lapis echo"
Original Soundtrack: "achromatic iris"
Opening Movie
TV Commercial
News Reveal Special
Characters Trailer