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

Game overview

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

S.T.A.L.K.E.R.: Clear Sky – standalone prequel for the acclaimed S.T.A.L.K.E.R.: Shadow of Chernobyl, which tells you story about the Clear Sky group, that want to research the Zone and understand it better.

Open World Atmospheric Post-apocalyptic FPS Survival
Last tracked players
54
All-time peak
171
24-hour change
Unavailable
Steam reviews
85.3% positive
22,254 reviews · via SteamSpy

Delayed observation · last tracked . Values marked unavailable are not estimated.

About this game Read the full description
Great Emission, the biggest anomalous energy blowout from the times of Second Incident at The Chernobyl Nuclear Power Plant, has shaken the world again and reshaped the Zone. To investigate its cause and and prevent future cataclysms is your only chance to survive in S.T.A.L.K.E.R.: Clear Sky.

WAR OF FACTIONS


With the anomalous activity at its maximum, the unstable Zone continues to tremor with outbursts. The transformation of the Zone map destabilizes the fragile balance of forces in the Zone. Hostilities for the new territories, artifact fields and spheres of influence flare up among groups. Feuds and friendships are left behind – now, everyone watches out only for themselves. The Faction War has begun. To survive, join one of the parties and knock out opponents over the Cordon... Or benefit from working for all the factions at once, like a true mercenary.

NEW PATHS


The safe and trusted pathways are no more. Known places disappear in impenetrable fields of anomalies, stalkers and entire expeditions vanish or remain trapped within. Mysterious territories that have been lost since the appearance of the Zone are opening up, calling for explorers. Your mission is to become a pioneer and explore all the new areas that have become accessible in "Clear Sky"!

MYSTERIES OF THE PAST


As a mercenary named Scar, play a key role in Strelok’s fate and discover new details to the original game story, revealing its major secrets. Visit the familiar places as they were before the original game starts and witness the events that shaped the Zone to the years ahead.

Game features:

  • A prequel to S.T.A.L.K.E.R.: Shadow of Chornobyl, that reveals the backstory of the Zone, familiar characters and locations.
  • New types of equipment and weapons: HPSS-1m, hunting rifle, RP-74.
  • New locations: Swamps, Red Forest, Limansk and Abandoned Hospital, full of new stories and tasks.
  • An advanced upgrade system for weapons and armor with technicians, allowing you to improve and customize your favorite pieces.
  • Player's actions can affect the balance of power in the Zone and the influence of factions.
  • A dozen of new anomalies and artifacts, and a new artifact hunting system utilizing detectors.
  • Improved graphics, interface and AI, making the journey through the sinister radioactive lands even more convenient.

Player activity

Concurrent players over the last 48 hours.

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S.T.A.L.K.E.R.: Clear Sky Enhanced Edition is now on Steam! S.T.A.L.K.E.R.: Legends of the Zone Enhanced Edition, coming May 20 Console release and weeklong Steam deal for all S.T.A.L.K.E.R. fans
System requirements Windows

Windows

Minimum

  • Supported OS: Microsoft® Windows® XP(Service Pack 2)/Microsoft® Windows® 2000 SP4
  • Processor: Intel Pentium 4 2.0 Ghz / AMD XP 2200+
  • Graphics: 128 MB DirectX® 8.0 compatible card / nVIDIA® GeForce™ 5700 / ATI Radeon® 9600
  • Memory: 512 MB RAM
  • Sound: DirectX® 9.0 compatible sound card
  • Hard Drive: 6 GB free hard disc space

Recommended

  • Supported OS: Microsoft® Windows® XP/Vista (SP1)
  • Processor: Intel Core 2 Duo E6400 / AMD 64 X2 4200+
  • Graphics: 256 MB DirectX® 9.0c compatible card* / nVIDIA® GeForce™ 8800 GT / ATI Radeon® HD 2900 XT
  • Memory: 2 GB RAM
  • Sound: DirectX® 9.0 compatible sound card
  • Hard Drive: 10 GB free hard disc space
Game details Languages, features & support
Publisher
GSC World Publishing
Brazilian rating
14
Steam Germany rating
16
Content warning
The game features intense scenes of violence, gunfights, and dark post-apocalyptic themes.
Metacritic
75
Features
Single-player, Multi-player, PvP, Online PvP, LAN PvP, Steam Cloud, Family Sharing
Languages
English*, French*, German*, Spanish - Spain*, Russian*, Ukrainian*, Italian*, Polish*
*languages with full audio support
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unsupported
Valve compatibility test
Input
Controller support: unknown
Structured language support (8)
LanguageInterfaceFull audioSubtitles
EnglishYesYesNo
FrenchYesYesNo
GermanYesYesNo
Spanish - SpainYesYesNo
RussianYesYesNo
UkrainianYesYesNo
ItalianYesYesNo
PolishYesYesNo
Steam store page fresh · checked 2026-10-02 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
More analysis Activity patterns, updates & developer tools

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Game Insights

Buy Verdict

Watch — $19.99.

Decent deal at 0% off, but might drop further. Watch for better opportunities.

▲ ~47 days until next sale

Value Score

Fair Value — 25th percentile.

Price-to-player ratio ranks in the 25th percentile. Priced as Market at $19.99.

▼ Market pricing tier

Genre Benchmarks

Player Count Top 60%
Value Ratio Top 75%

Activity Heatmap

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Developer Analytics

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Frequently Asked Questions

Is S.T.A.L.K.E.R.: Clear Sky worth buying right now?
Watch — $19.99. Decent deal at 0% off, but might drop further. Watch for better opportunities.
When does S.T.A.L.K.E.R.: Clear Sky go on sale?
Decent deal at 0% off, but might drop further. Watch for better opportunities.
Is S.T.A.L.K.E.R.: Clear Sky free to play?
S.T.A.L.K.E.R.: Clear Sky costs $19.99 on Steam.
What genre is S.T.A.L.K.E.R.: Clear Sky?
S.T.A.L.K.E.R.: Clear Sky is a Action, RPG game.
Who developed S.T.A.L.K.E.R.: Clear Sky?
S.T.A.L.K.E.R.: Clear Sky was developed by GSC Game World and published by GSC World Publishing.
What platforms does S.T.A.L.K.E.R.: Clear Sky support?
Available on Steam for Windows.

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