Play this exclusive chapter to pit yourself against new challenges, and discover Marie Curie's story and her role in military medicine. In this optional chapter, Marie Curie is based near your hospital, and requires your assistance. With her X-ray van and her unique talents, the renowned expert scientist can be a precious asset in helping you save more soldiers.

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "LIBRARY" tab and start downloading.