 A new way to kill creeper was introduced called anti-creeper, you would use the ore rig unit to mine the ore deposits out of the ground and then build a unit called maker which makes anti-creeper.When one unit of anti-creeper comes in contact with one unit of creeper they both get annihilated leaving nothing in its place.A new enemy is introduced known as drones that can destroy your structures in one hit most of the time.