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.
The alien robot invasion is upon us! It's time to suit up and bug out! How long can you survive in the battlefield?* Unlock new weapons (Assault Rifle, Flame Thrower, Grenades) * Upgrade to remove ads* Game Center Support