The Westwall Add-on for Panzer Corps 2 has 5 achievements.
Finish Frontlines - Westwall campaign on Major difficulty or higher
Finish Frontlines - Westwall campaign on Colonel difficulty or higher
Finish Frontlines - Westwall campaign on General difficulty or higher
Finish Frontlines - Westwall campaign on Field Marshal difficulty or higher
Finish Frontlines - Westwall campaign on Generalissimus difficulty