Cepheus Protocol cover art

Cepheus Protocol

Find patient zero before an alien virus takes over San Francisco and the cepheus protocol is enacted. Command your squad, save civilians, and stop the Pangu virus. Kill patient zero and save the world.

15 May 2020

Cepheus Protocol is an adventure developed by Halcyon Winds, released 15 May 2020 on PC (Microsoft Windows).

Verified Sources: IGDB , Steam

What Cepheus Protocol is

Cepheus Protocol is an adventure game developed by Halcyon Winds and released in 2020. It is available on PC (Microsoft Windows) only. It runs on Unreal Engine 5.

The premise, in the publisher's words

Cepheus Protocol is an open world RTS military survival game. You play as CERC, hunting Patient Zero while keeping quarantine camps alive. Hold the line against brutal mutations and rogue civilian combatants. No reinforcements. No backup. It is on you.
Description from the publisher · source

How it plays

Its themes are action and survival. It supports multiplayer for up to 16 players online. Available modes: Co-operative, Multiplayer and Single player.

What it launched against

Cepheus Protocol launched on 15 May 2020, within three weeks of Valorant, Deep Rock Galactic, Streets of Rage 4 and Tetris Effect: Connected.

Released around the same time: Valorant, Deep Rock Galactic, Streets of Rage 4, Tetris Effect: Connected.

Official trailer

Trailer thumbnail

Sourced from the publisher’s YouTube channel.

Screenshots

All media

Dlc

Quick answers

Cepheus Protocol — frequently asked questions

When did Cepheus Protocol come out?
Cepheus Protocol was released on 15 May 2020 for PC (Microsoft Windows).
Does Cepheus Protocol have multiplayer?
Yes. Cepheus Protocol supports multiplayer for up to 16 players online.

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