@echo off
if "%~1" == "startGame" goto :game
if "%~1" == "startController" goto :controller
::------------------------------------------------------------
:: verify existence of CHOICE command
:: set up a macro appropriately depending on available version
set "choice="
2>nul >nul choice /c:yn /t 0 /d y
if errorlevel 1 if not errorlevel 2 set "choice=choice /cs"
if not defined choice (
2>nul >nul choice /c:yn /t:y,1
...
