Windows currently isn't supported on CSGO as Valve broke their stable ABI. Did you try the binary that a user shipped for Windows? I haven't validated it, but once I have some effort available for this again I'll look at Appveyor. Alternatively ping psychonic to see if he can enable my buildbot on AM again and I can trigger a build for Windows.
Any luck with SteamWorks_SetMapName? Also, how is your windows build coming along? Thanks.
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