The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
Fight a disease as a white bloodcell!Don't get overwhelmed by the bad stuff!Tap the left side of the screen to jump!Tap the right side of the screen to shoot!Don't die!* Compete with friends for the highest score using GameCenter! *