*** Compatible with iPhone 4s, iPad 2, iPad Mini, iPod Touch 5 or better. Optimized specially for iPhone 5[Game Intro]Space station under invasion, city on the verge of plague, even the whole world, is moving towards devastation.You are the Savior![Exquisite 3D Graphics]Real-time light, shadow, lambency and depth effect...Enable you to experience a 3D next-gen console game on mobile platforms.16 completely different stages, i.e. 16 distinctive scenesEnsures a breath of fresh air every minute in the gameRomantic park, perilous factory, trap-filled power station, besieged lab…Are you ready to set off?[Extremely Exciting Battles]Are you fed up with fighting against only one or several monsters at a time?Here's your chance to sweep away an enemy swarmA wide variety of traps that make your every move full of suspenseYou have to break through waves of monsters and become the true Savior![Perfect Combination of ARPG and Shooter Games]Is it an ARPG? No, it is a shooter gameIs it a shooter game? It is an APRG with character levels, equipment, perks and treasure hunt systems.[Unique Game Systems] * Character Level: Characters will level up by means of defeating monsters and completing quests. * Perks System: Characters are endowed with multiple perks and can enjoy different gameplays. * Random Equipment System: The game offers millions of equipment like Diablo, in this way you can choose your own game mode according to your preference. To be an iron warrior or bloodthirsty killer, or both of them? You call the shots on your battlefield! * Random Monsters: Different monsters will randomly show up in different places, spices up your gameplay * Package System: You will get various help and fantastic packages at a specific level, times and stages.