IMPORTANT: This version comes optimized for high resolution phones and tablets*. Also comes with bonus weapons pack for free! For small Android phones try our non-HD version. Thanks!***Alien Defense 101 HD is a retro arcade Shoot’em Up for your Android. If you enjoy shooting and blasting things up you are going to enjoy this!Defend Earth against waves of Aliens. Blast giant UFOs into pieces. Endure Captain Cody’s snide remarks. All in the day of a rookie space pilot who is Humanity’s last hope against aliens! Come and see what kind of rookie you are!***This game is inspired by our old-time favorites like 1943, R-Type and Space Invaders. If you are an old-time gamer like us you will enjoy this little piece of jewel. Or did you enjoy new mobile shoot em up like Sky Force, Mortal Skies, Mini Squadron, Pacific Wings, Radiant and Air Attack? This game will not disappoint you! Come get some arcade shoot-em-up action!* Tablets tested include the Google Nexus 7, ASUS Transformer series, Xoom and Galaxy Note.