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

Platforms

• Microsoft Windows

Genres

• post-apocalyptic video game

• first-person shooter

• science fiction video game

• role-playing video game

• adventure game^*

• horror game^*

• sandbox game^*

• shooter game^*

Play modes

• single-player video game

• multiplayer video game

Players by platform

• Microsoft Windows^*

  Maximum players (mode unspecified)

  32^*

Content classifications

• ESRB · Microsoft Windows^*

  Classification

  M - Mature^*

Series

• S.T.A.L.K.E.R.

Engines

• X-Ray Engine

Localized titles

• S.T.A.L.K.E.R.: Clear Sky

Steam version platforms

• Windows^*

  Supported

  Yes^*

• macOS^*

  Supported

  No^*

• Linux^*

  Supported

  No^*

Store genres

• Action^*
• RPG^*

Game features

• Single-player^*
• Multi-player^*
• PvP^*
• Online PvP^*
• LAN PvP^*
• Steam Cloud^*
• Family Sharing^*

Interface languages

• English^*

  Full audio

  Yes^*

• French^*

  Full audio

  Yes^*

• German^*

  Full audio

  Yes^*

• Spanish - Spain^*

  Full audio

  Yes^*

• Russian^*

  Full audio

  Yes^*

• Ukrainian^*

  Full audio

  Yes^*

• Italian^*

  Full audio

  Yes^*

• Polish^*

  Full audio

  Yes^*

Audio languages

• English^*
• French^*
• German^*
• Spanish - Spain^*
• Russian^*
• Ukrainian^*
• Italian^*
• Polish^*

Community tags · historical

• Open World^*

  Votes · historical

  700^*

• Atmospheric^*

  Votes · historical

  610^*

• Post-apocalyptic^*

  Votes · historical

  583^*

• FPS^*

  Votes · historical

  545^*

• Survival^*

  Votes · historical

  537^*

• Action^*

  Votes · historical

  442^*

• First-Person^*

  Votes · historical

  347^*

• RPG^*

  Votes · historical

  338^*

• Shooter^*

  Votes · historical

  323^*

• Singleplayer^*

  Votes · historical

  312^*

• Survival Horror^*

  Votes · historical

  234^*

• Adventure^*

  Votes · historical

  211^*

• Horror^*

  Votes · historical

  204^*

• Multiplayer^*

  Votes · historical

  200^*

• Sci-fi^*

  Votes · historical

  197^*

• Classic^*

  Votes · historical

  193^*

• Moddable^*

  Votes · historical

  180^*

• Zombies^*

  Votes · historical

  177^*

• Inventory Management^*

  Votes · historical

  135^*

• Sandbox^*

  Votes · historical

  76^*

System requirements

• Windows · Unspecified tier^*

  Processor alternatives

  Intel Pentium 4 2.0 Ghz / AMD XP 2200+^*

  Graphics alternatives

  128 MB DirectX® 8.0 compatible card / nVIDIA® GeForce™ 5700 / ATI Radeon® 9600^*

  Memory

  512 MB RAM Sound: DirectX® 9.0 compatible sound card^*

  Storage

  6 GB free hard disc space^*

  Conditions

  Supported OS: Microsoft® Windows® XP(Service Pack 2)/Microsoft® Windows® 2000 SP4^*

• Windows · Recommended^*

  Processor alternatives

  Intel Core 2 Duo E6400 / AMD 64 X2 4200+^*

  Graphics alternatives

  256 MB DirectX® 9.0c compatible card* / nVIDIA® GeForce™ 8800 GT / ATI Radeon® HD 2900 XT^*

  Memory

  2 GB^*

• Windows · Minimum^*

  Memory

  1 GB^*

  Graphics alternatives

  128 MB DirectX® 8.0 compatible card / nVIDIA® GeForce™ 5700 / ATI Radeon® 9600^*

  Processor alternatives

  Intel Pentium 4 2.0 Ghz / AMD XP 2200+^*

• Windows · Recommended memory · 2026-06-27^*

  Memory

  2 GB^*

Compatibility and community reports

• Steam Deck · 2026-06-27^*

  Compatibility category

  Unsupported^*

• Linux · Community reports · 2026-06-27^*

  Community Linux compatibility tier

  Gold^*

  Reports

  97^*

  Community confidence

  strong^*

Developers

• GSC Game World

Publishers

• GSC Game World

• Deep Silver

• GSC World Publishing^*

• 2008-08-22

  Date precision

  Exact date

• 2008-09-14 · Microsoft Windows^*

  Release date

  2008-09-14^*

  Date precision

  Exact date^*

  Platform

  Microsoft Windows^*

Store release history

• Steam^*

  Release date

  Sep 15, 2008^*

Detailed specifications