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Cepheus Protocol Media · SteamPeaks

Apps Cepheus ProtocolMedia

Cepheus Protocol

GameApp ID 979,640by Halcyon WindsReleased 15 May 2020

Playing now

57

All-time peak

378

08:47 UTC · 29 Oct 2026steampeaks.com

WindowsEngine —

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

Data

Price history Charts Patches News Reviews Audience Estimates Availability

Technical

Metadata Packages1 DLC7 Depots8 Requirements Install size Configuration Cloud saves

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Media Overview Price history Charts Patches News Reviews Audience Estimates Availability Metadata Packages1 DLC7 Depots8 Requirements Install size Configuration Cloud saves Achievements Community Related apps Update history Store history Full details

Hotlinked from Steam · never stored · plays here

Media

41 screenshots · 2 videos

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Steam

App ID979,640

Release date15 May 2020

Engine—

Install size11.2 GB

TypeGame

Last update20 Aug 2026

Steam DeckPlayable

DLC7

DeveloperHalcyon Winds

Changenumber40,370,892

Price$19.99

Packages1

PublisherHalcyon Winds

SystemsWindows

Followers21,787

Depots8

Compare this game

Cepheus Protocol

Halcyon Winds
Released 15 May 2020·App 979640

Steam user reviews

Mostly Positive

75.4%· 3.8K reviews

Recent Mostly Positive · 76%

SteamPeaks Rating

75.4 Positive

Recent 30 days 56.6

Playing now

57

+7 vs. yesterday

15%of peak

All-time peak

378

Oct 2021

Updated 29 Oct 2026, 08:47 UTCData by SteamPeaks.com