S.T.A.L.K.E.R.: Clear Sky — Steam Launch Options

3 community-verified launch options for S.T.A.L.K.E.R.: Clear Sky on Steam ↗.

DeveloperGSC Game World

PublisherGSC World Publishing

Released2008-09-15

PROTON_NO_D3D10=1

Disable Direct3D 10 support

ProtonDB
PROTON_USE_WINED3D11=1

Proton/Wine compatibility option.

ProtonDB
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|borderless windowed notes = Use windowed mode and .

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