Warning, invaders are coming! They are rushing to you, however you don't have a gun! Use your shield to smash them! GAME FEATURES: - Simple to play, but to be a master? You need to practice more! - Time killing, relax you mind! - All kinds of weapons! - Protect your core from enemies! HOW TO PLAY: You can just use one finger to control your ship, use the shield to smash those enemies. Upgrade your ship and weapons can make you more powerful!