Control one of the planet's anti-aircraft bases and defeat all waves of UFO attackers. Use powerful weapons, the latest scientific researches and a fast spaceship to protect your planet. MAIN FEATURES - Dynamic gameplay. The alien invaders will keep you in tense until the very end! - Upgradable weapons (12 upgrades) after each level. - Special upgradable abilities. Among them are time slowing and many others (up to 15 different upgrades)! - More than 10 different enemies. - Unique bosses. - 7 levels (about 30 minutes of a captivating gameplay). - Replayable. Every time you play enemies appear in different time and place, so you have new experience. CONTROLS Use mouse to aim, left mouse button to shoot (hold left mouse button to toggle auto-shooting). To control spaceship, use "W","A","S","D" keys or cursor keyboard (Notice: spaceship is a special ability, that can be bought in the game-shop after each level). Use "4" or "R" button to change weapons. Use "Q" key to toggle quality.