Shinkai Protocol
A DnD cyberpunk submarine exploration game set on Nereus, a frozen ocean world where prisoner colonists build underwater societies beneath the ice. Japanese/cyberpunk aesthetic meets psychological horror and dark comedy - inspired by Barotrauma. Dive deeper. The abyss remembers.
Dive Deeper. The Abyss Remembers.
On Nereus, a frozen ocean world beneath endless ice, prisoner colonists carve out fragile societies in the deep. Take command of a battered submarine, build a crew from unlikely survivors, and descend into waters haunted by ancient forces, corporate power, and the things people become when rescue is no longer coming. Shinkai Protocol is a cyberpunk D&D adventure of exploration, psychological horror, dark comedy, and impossible choices.
Recommended models: GPT-5.6 Luna and GPT Image 2 Recommended Free models: Laguna S 2.1 (primary) and Ling 3.0 Flash (Back up)
**BEACON UPDATE SERIES: Currently testing submarine travel and its experience to the beacon station and back. Please expect submarine and narration mechanics to change during this time. Updates will be released weekly if possible**
Current Version : Update: Open Alpha 1.8 and 1.9(Beacon Series)- Updated the Dugong layout and Map so you can better experience life aboard the submarine with actual rooms (work in progress). Updated the Narrator to a local radio station. Updated recommended models on Prelude page and Authors note. Updated character creation prompt to help ensure proper classes, gear, alignment, and depth state is given. Updated Narration for Depth State as well as reducing the amount of corporate speak for NPCS. Added one Intro track for those who want a bit of ambience every blue moon. Updated characters with their associated feats and traits-noted some species related traits were inconsistently being used, will release fix next week. Updated character sheet with quick reference in background to reduce context bloat noted from 1.8 testing.
This Project is currently in Open Alpha to test core game mechanics. Please leave your feedback in the Discord. Content is actively being developed while we focus on making the game functional and fun for our players.
Discord link: https://discord.com/channels/1490398767587918017/1535857738180202557