* PROTECT THE EARTH FROM ASTEROIDS AND SMALL PLANETS AS LONG AS POSSIBLE! USE YOUR TOUCH TO MOVE AND SHOOTING. ** IN EACH LEVEL YOU HAVE OF AMMO WHICH INCREASES THE NUMBER OF HITS, GET THE EXTRA SCORE AND AMMO AT THE END OF THE LEVEL. ** THE GAME HAS A BONUS: THREE TYPES OF YOUR SPACESHIP, THREE TYPES OF LASER, PROTECTION SPACESHIP, LIFE IMPROVEMENTS. ** THE GAME HAS 10 LEVELS TO WIN, THE ONE WHO WILL BE ABLE TO PICK UP 1,000,000 POINTS, WILL BE THE WINNER! YOUR MISSION WILL FAILED IF THE EARTH IS STRICKEN X3 OR YOU LOSE X3 LIVES! Space Purge, asteroid defense, space shooter, mobile game, action game, planetary defense, save earth, asteroid shooter, spaceship upgrade, laser game, high score, 1 million points, adventure game, mobile shooter, space adventure, asteroid impact, survival game, space combat, free game, top game