The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From Soldier Bulls SL by Juan Almazn:
"Killing Killers is as addictive as it is hilarious. The Facebook attack had me rolling." - SecondNightmare Combat killer after killer trying to shoot him before he passes your "2'5D" slingshot! Unlock all the funny weapons!; grenades, fire, hand of midas, zombies*, WTF?!*...even two inspired by twitter and facebook! Up to 4 unlockable environments: Hills, Snow*, Inferno* and Heaven*! Become the best of the world using Game Center! Simple, addictive and smooth gameplay, high definition colorfull graphics, hilarious cartoons, great sound effects and soundtrack... All of this makes this game a must have! *Full Version See the trailer on YouTube searching for "Killing Killers iPhone"!