PrototypeX1 is the most spectacular Sky-Shooter action game for mobile devices! Take control over a legendary plane called "PrototypeX1" and rescue the world. Stunning 3D graphics are featured and combined with user-friendly controls and unforgettable boss battles. Are you ready to rescue the world from general Brevil? FEATURES: - 8 beautiful levels (desert, forest, ice and more). - Challenging boss battles. - Upgradeable superweapons (shields, guns, lasers, mega-bombs and photon-shots). - Designed for beginners and hardcore shooters. - Full voiceover and incredible soundtrack.