How many people are playing Cepheus Protocol right now?

Cepheus Protocol has 52 players on Steam right now, with a 24-hour peak of 117 and an all-time peak of 378 on Oct 2021.

What is the all-time peak player count of Cepheus Protocol?

378 concurrent players on Oct 2021.

When was Cepheus Protocol released on Steam?

Cepheus Protocol was released on Steam on 15 May 2020.

30,103,886 on Steam▼ 5,580,960 7,616,748 in-gameTop now Counter-Strike 2 763,241PICS #38,664,7511,175 builds todaySale Steam PvE Survival Crafting Festends 7 Sep Sampled 7 Sep 2026, 11:14 UTC

SteamPeaks

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

30.1M

SteamPeaks

The ultimate resource for Steam data.

Last sample just now

Apps: 261,445
Games: 185,730
Packages: 19,891
Depots: 260,253
Builds today: 1,175
Changelist: 38,664,751

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 Packages · SteamPeaks

Apps›Cepheus Protocol›Packages

Cepheus Protocol

GameApp ID 979,640by Halcyon WindsReleased 15 May 2020

WindowsEngine —

View on SteamCompare

Overview

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

Full details

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

Subs that grant this app

Packages

0 packages

No packages seen for app 979640 yet. Packages appear as their changelists arrive.

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

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 —

How it works ›

Playing now

−7 vs. yesterday

14%of peak

All-time peak

378

Oct 2021

Updated 8 minutes agoData by SteamPeaks.com