Help the survivors to build their base camp and defense against hordes of zombies that have been infected by a mysterious global outbreak of a brain affecting virus.
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.
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.
