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

S.T.A.L.K.E.R.: Clear Sky Media · SteamPeaks

Apps S.T.A.L.K.E.R.: Clear SkyMedia

S.T.A.L.K.E.R.: Clear Sky

GameApp ID 20,510by GSC Game WorldReleased 15 Sep 2008

WindowsEngine —

Open World Atmospheric Post-apocalyptic FPS Survival Action +14 +16

View on SteamSteam

Data

Price history Charts Patches Events Reviews Audience Estimates Availability

Technical

Metadata Packages1 DLC Depots Requirements Install size Configuration Cloud saves

Content

Achievements Community Media Related apps

History

Update history Store history

Everything

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

Hotlinked from Steam · never stored · plays here

Media

25 screenshots · 0 videos

App ID20,510

Release date15 Sep 2008

Engine—

Install size—

TypeGame

Last update—

Steam DeckUnsupported

DLC0

DeveloperGSC Game World

Changenumber—

Price$19.99

Packages1

PublisherGSC World Publishing

SystemsWindows

Followers—

Depots0

Compare this game

S.T.A.L.K.E.R.: Clear Sky

GSC Game World·GSC World Publishing
Released 15 Sep 2008·App 20510

Steam user reviews

Very Positive

85.3%· 22.6K reviews

Recent Very Positive · 85%

SteamPeaks Rating

85.1 Very positive

Recent 30 days 84.8

Playing now

110

−14 vs. yesterday

7.8%of peak

All-time peak

1,419

Dec 2024

Updated 11 Sep 2026, 16:02 UTCData by SteamPeaks.com