Call Of Juarez Gunslinger Steam Is Required In Order To Play Fix Extra Quality [verified] -

0;faa;0;2cb; 0;d7;0;f1; 0;88;0;98; 0;279;0;17a; 0;1152;0;b19;

Call of Juarez: Gunslinger is not an always-online game. This error is purely a DRM handshake issue, not a missing multiplayer component.

Sometimes the fix is as simple as ensuring Steam has the proper permissions to launch its integrated games.