DXVK_HUD
Draws DXVK's overlay with frame rate, driver and device information. DXVK_HUD=1 shows the default set and DXVK_HUD=full shows everything.
PROTON_LOG
RADV_PERFTEST
PROTON_NO_ESYNC
PROTON_USE_D9VK
WINEDLLOVERRIDES
DXVK_FILTER_DEVICE_NAME
DXVK_LOG_LEVEL
ENABLE_VKBASALT
DXVK_ASYNC
DXVK_LOG_PATH
VK_ICD_FILENAMES
PULSE_LATENCY_MSEC