- Your base is under attack! Keep the enemy invaders from reaching the power base or its all over!rnrnUse your cash to buy weaponry and defend the power base. The more enemies you destroy, the more money you collect to add to the stronghold.rnrnThere are 4 types of weapons:rn1. Machine Gun: can attack land enemiesrn2. Artillery Cannon: can attack land enemiesrn3. Laser Gun: can attack land enemiesrn4. Missle Launcher: can attack land and air enemiesrnrnClick on your weapon to see their blast radius. You can upgrade the weapons to increase their damage, range, and rate of fire. You can also sell them at a lower cost if necessary.rnrnCurrent shows you the enemy swarm you are currently fighting. It will display the enemy class, their hit points, their speed, and the amount of money you earn by destroying one of them. rnNext will show you the next enemy swarm if you survive to the next level.rnrnGood luck!