$(MSBuildThisFileDirectory).env
$([System.IO.File]::ReadAllText('$(DotEnvPath)'))
<_EnvGamePath Condition="'$(DotEnvContent)' != ''">$([System.Text.RegularExpressions.Regex]::Match($(DotEnvContent),
'GAME_PATH\s*=\s*"?([^"\r\n]+)"?').Groups[1].Value)
$(_EnvGamePath)
$(GAME_PATH)