@mitu I'm .. sure I'm not using it or setting it up appropriately.

I'm not using the runcommand.sh file that is for launching game in retropie. i'm sort of bypassing that, because I couldnt figure out the process or syntax

first, when you are just on the command line area (No Desktop) to initiate xinit, you must use sudo, but that doenst mean that retropie itself doesnt take care of that in some ... manner.

anyway, heres my commands.

the game's .sh file reads:

xinit /usr/local/bin/wine /home/pi/.wine/drive_c/game_path/game.exe

Next: es_systems.cfg file reads:

thats it and it works.
I tried for hours to get the normal:
<command>/opt/retropie/supplementary/runcommand/runcommand.sh 0 SYS pc</command> to work, but it wouldn't load, but also requires a config file.

so in the /opt/retropie/configs/pc
i created emulators.cfg file, but what do i put in there?
pc = wine ?
default = pc
and if so, what do I change the game.sh file to? it already has the wine command in it.

my main reason for creating this thread, was to figure out the syntax for 3 files.
/home/pi/RetroPie/rom/pc/game.sh
/etc/emulationstation/es_system.cfg
/opt/retropie/configs/pc/emulators.cfg

I've been working with the retropie software since 2015 when i got my first raspberry pi 2, but I've never tried this type of launch and its not easy to find the details about this type of functionality.

thanks for listening. :)

Which games do you play?