PROTOCOL N‑0
NADIR‑0 · CLOSED TEST

// DESCENT AUTHORIZED

Descend. Extract. Repeat.

A session-based, server-authoritative co-op extraction ARPG. This is the closed test build — it connects to the live test server and auto-updates itself every time you launch it.

Download the client Windows x64 · launcher ~35 MB

First run pulls ~430 MB and lands you in the Harbor. The build is unsigned, so Windows SmartScreen will warn — click More info → Run anyway.

Bulletin

test server
  1. Loading notices…

How it works

  1. Download & unzip the launcher, then run ProtocolN0.exe.
  2. It installs & updates into %LOCALAPPDATA%\ProtocolN0 — only the changed bits each time.
  3. It launches the game, already pointed at the test server. To update, just run it again.

Throwaway test environment — accounts and progress can be wiped at any time. No real secrets or personal data, please.