Aggresive aliens decided to take control of the Earth. Thank god we have such brave pilot like you. Protect your home planet from the endless onslaught of the enemy armarda!

The real-time strategy genre as we know it today--gathering resources, building bases, and massing huge armies to sweep your opponent from the map--owes a lot to Command & Conquer. The original Command & Conquer was one of the first true real-time strategy games, as well as one of the best games ever made.