In this game, you have to move your Alien in the Deserted city,And compete with your enemy Aliens.you have to change the colour of characters into green moving in the city and at the same time your opponent Alien will also change the colour of these characters into red,There is a time limit for you to change the color speedly, It will increase your scores against your enemy.To win the war your score should be higher than your competitor.This is an interesting game,It' s based totally on AI.This game provide you a great competition between you and your enemy Alien. How to play: 1.Move towards the characters moving in the city and touch them.When you touch a character its colour change into green. 2.Move fastly and change the colour into green before your enemy change their color into red. Features: 1. Amazing graphics and 3D Deserted city environment. 2. The game mode is different from other defense games, you will enjoy more fun rather than just the defense mode here. 3. 3 game modes give you the extreme challenge. 4. 32 medals are waiting for you to achieve. 5. Enhance your speed, which offers you more fun.