https://bugs.winehq.org/show_bug.cgi?id=50952
--- Comment #1 from David Torok dt@zeroitlab.com --- Created attachment 69832 --> https://bugs.winehq.org/attachment.cgi?id=69832 NtCreateThread more elaborate stub
Seems to fix the immediate issue here
The pre-game client seems to be affected by bug #45277 that manifests as a CEF crash, might be worth tracking over in the original issue