The dwarf mines are under attack and you need to stop the intruders. Strategically place your soldiers and upgrade them in time as each level enemies become stronger.
Alien invasion has begun! You control the last platoon of soldiers that have survived the onslaught. Protect your bases or once all the bases are destroyed, aliens will take control of everything!
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.
