ALIEN ATTACK - YOU HAVE A LINE OF DEFENCE - DEFEND YOUR LINE
Your city is under attack and you take the first call. Fire at them and down them before they try to overrun the city.
Each city play will have 5 levels. In each level you have higher targets and stronger alien crafts.Each game level begins with 1800 ammunitions and a central pool with 0 ammunitions, After each level is completed, remaining ammunitions will be added to the central pool.
You win a level for following reasons
1. You clear the target
You lose a level for following reasons
1. Certain number of of Alien crafts breach your line of defence
2. Too many loss of defender Aircraft
IMPORTANT: Once you lose a level, the game level will be reset except for used ammunitions