Moves all GoG shortcut folders into a GoG.com folder. Put all primary game start shortcuts into GoG folder.

GogShortcutSanitizer.ps1

# 1. Save this script by right-click on Raw button and choose "Save link as..."
# 2. Start > Run... & type : powershell
# 3. To Run script type : Start-Process powershell -Verb RunAs -ArgumentList "-ExecutionPolicy Unrestricted -NoExit -file `"$Home\Downloads\GogShortcutSanitizer.ps1`""; exit
# 4. Give permissioo in pop-up
param([switch]$debug = $false, [string]$defaultShortcutPath)

function createDirectory($dir) {
    if (-not (Test-Path $dir)) {
        mkdir $dir
        Write-Host "Created directory: $dir"
    }
}
# Escapes [ & ] so that the path can be used without -LiteralPath
function escapeSquareBrackets([string]$path) {
    $path -replace '\[','``[' -replace '\]','``]'
}

if (-not $defaultShortcutPath) { $defaultShortcutPath = "C:\ProgramData\Microsoft\Windows\Start Menu\Programs" }
$relocationTarget = "$startmenuRoot\GoG.com"
$gameLinkTarget = "$Home\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\GoG"
$regexStrict = '(^| |\[|\()(Documents|Config\w*|Editor|(Game)?Server|Language|Manual|(Developer|Safe|Software|TnL)( Mode)?|Multiplayer|Readme|Selector|Setup|Settings|Test|Tools?|Uninstall|Website)(.lnk|.url|$| |\)|\])'

$directories = get-childitem $defaultShortcutPath -Filter "*[GoG.com]" -Directory
if ($debug) {
    Write-Host "Starting in debug mode. No modifications will be made!"
} else {
    createDirectory $relocationTarget
    createDirectory $gameLinkTarget
}
$i = 0
foreach ($dir in $directories) {
    foreach ($link in get-childitem "$(escapeSquareBrackets $dir.FullName)\*")  {
        if ($link.Name -match $regexStrict) {
            if ($debug) { Write-Host $link.Name -ForegroundColor "red" }
        } else {
            if ($debug) { Write-Host $link.Name -ForegroundColor "green" }
            else { $link | Copy-Item -Destination $gameLinkTarget -Force }
            $i++
        }
    }
    if (-not $debug) { $dir | Move-Item -Destination $relocationTarget -Force }
}
Write-Host "All done!"
Write-Host "$($directories.count) new GoG games processed."
Write-Host "$i new GoG game links processed."