Defend the tower as aliens are in full force of attack. Upgradable. Destroy as many aliens as possible and earn more credits to purchase/upgrade equipments.
All out tank battles with TD elements! Build tanks and towers to protect your MCV at all costs. Destroying enemy's MCV will complete your mission and advance you to the next level.
Protect the flora against the invading monsters by building your army of plants. Design your own path with defense units. Juggle the exit gates to confuse the incoming monsters.