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Cepheus Protocol Update History · SteamPeaks

Apps Cepheus ProtocolUpdate history

Cepheus Protocol

GameApp ID 979,640by Halcyon WindsReleased 15 May 2020

WindowsEngine —

Sandbox Zombies RTS Survival Post-apocalyptic Building +14 +16

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App ID979,640

Release date15 May 2020

Engine—

Install size11.2 GB

TypeGame

Last update20 Aug 2026

Steam DeckPlayable

DLC7

DeveloperHalcyon Winds

Changenumber38,646,187

Price$19.99

Packages0

PublisherHalcyon Winds

SystemsWindows

Followers—

Depots8

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Cepheus Protocol

Halcyon Winds
Released 15 May 2020·App 979640

Steam user reviews

Mostly Positive

75.4%· 3.8K reviews

Recent —

SteamPeaks Rating

75.3 Positive

Recent 30 days —

Playing now

64

+1 vs. yesterday

17%of peak

All-time peak

378

Oct 2021

Updated 13 Sep 2026, 22:02 UTCData by SteamPeaks.com

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