http://bugs.winehq.org/show_bug.cgi?id=31442
--- Comment #49 from KiXaM maxx_kixam@yahoo.fr 2012-11-25 12:46:28 CST --- Created attachment 42617 --> http://bugs.winehq.org/attachment.cgi?id=42617 Patch to be able to launch GW2 without -dx9single switch
This is only a workaround, and not sustainable at that.