Action of Mayday: Last Line of Defense is a first-person shooter (FPS) thriller featuring intense zombie shooting action and stunning 3D graphics. Sometimes in the near feature, an unknown virus infects the Earth. People die every day. Zombies are everywhere on the streets. Your city is filled with walking deads. You, as a trained professional solider, are one of few survivors left in the city. Your mission is to use your weapons to kill as many zombies and save as many survivors as you can and bring them into the safe house. You are the last line of defense of the humanity. Are you ready for the ACTION of MAYDAY? FEATURES: •Stunning 3D HD graphics with multiple game scenes to choose from •Choose from many world-famous guns for the missions •Shoot the wide variety of zombies with headshot for additional bonus points •Collect bonus points when you save survivors or Facebook friend •Use the Rocket, Gas Tank and other special weapons strategically to kill waves of zombies •Complete Daily Mission for double rewards •Use the collected coins to buy more powerful weapons for more zombie killing excitement •Facebook integration to invite friends to play. You can send the SOS to your Facebook friends. Your friends will gain extra bonus points if you are saved in his/her mission. •Facebook leaderboards among friends •iOS universal app to support retina display •Game Center integration for leaderboards and achievements