To clarify... the Wildstar launcher works... clicking "play" from there closes the launcher and nothing happens.
Same issue, launcher works, game does not.
System info gist: https://gist.github.com/HereInPlainSight/3e575156101a239e0e786f0af5bdf223
PROTON_LOG gist: https://gist.github.com/HereInPlainSight/a64ccbfe5698632aaabd7d58c0bf4911
PROTON_LOGx1 2018-10
Wildstar
The game doesn't launch after clicking "play"
Gist: https://gist.github.com/PadreAdamo/dda0c289bcca5ed60279f041bf8a4ea1