Charts Sales Upcoming Patches Events Calculator

New on SteamEvery app, DLC and depot the minute Steam creates it AppsEvery app on Steam, newest change first PackagesSubs and bundles, and what each contains DepotsDepots, manifests and install sizes TagsSteam's user tags and the games under them Developers & publishersCompanies and their catalogues TechnologiesEngines, SDKs and anti-cheat found in the files Change historyEvery PICS changelist as it lands

SignalsNineteen readings of the whole catalogue CompareAny games side by side RecordsAll-time peaks and the days they were set ReportsWeekly and monthly write-ups Alerts & newsroomWatch a game, get told when it moves Steam statusIs Steam up, right now Web API explorerTry the endpoints in the browser

EventsSteam's own events and the sales calendar CalculatorWhat a Steam account is worth, and its pile of shame

/

Sign in

/

SteamPeaks

The ultimate resource for Steam data.

ExploreCharts Sales Sales and fests Upcoming Patches Events Records Trending Signals

DatabaseApps Packages Depots Tags Developers Technologies Change history

ToolsCalculator Compare Search Alerts Steam status API

SiteMethodology FAQ Discord Support Sign in via Steam

Not affiliated with Valve or Steam. Game names and artwork belong to their owners. All times UTC.

Privacy Cookies Fair use Status

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

View on SteamSteam

Data

Price history Charts Patches Events Reviews Audience Estimates Availability

Technical

Metadata Packages DLC7 Depots8 Requirements Install size Configuration Cloud saves

Content

Achievements Community Media Related apps

History

Update history Store history

Everything

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

Update history

A permanent record of every observed change.

Export

Export current results

CSV spreadsheet JSON data

All changes Changelists Builds Store Achievements

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

Compare this game

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

22

−14 vs. yesterday

5.8%of peak

All-time peak

378

Oct 2021

Updated 11 Sep 2026, 13:33 UTCData by SteamPeaks.com

Showing keys matching the filter · 14 events on this page have no match

Time (UTC)SourceWhat changedAddedEditedRemovedReference

Nothing recorded for this filter. Clear filters

Showing 0 of 14 events·All events loaded