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.
The world suffers from oil crisis and you have to defend the last desert oil-base from the incoming enemies and armored vehicles. Earn experience points to get new weapons and don't forget to use power supplies dropped by allied aircraft.
Take control of a mining station on an outer planet that's crawled with alien bugs. Defend the station by deploying barracks and towers, train new troops, summon powerful aid from heroes, air strikes and more.
