KKND: Krush, Kill 'N' Destroy

In the year 2079 conflicts arose between the major nations of Earth. A nuclear war resulted of this and the surface of the planet was destroyed. Some humans managed to burrow under the Earth's crust before the nukes obliterated the upper world, taking with them what they could salvage. They turned their attention to constructing machines to resurface. Those who survived the blasts yet lived above ground mutated, and dominated the Earth until the survivors broke through the Earth's surface and an armed conflict between the two groups erupted.

Résumé

KKnD, or Krush, Kill 'n' Destroy is a real-time strategy games in the KKnD series. The game takes place in a post-apocalyptic setting, where two factions are fighting for control over the few natural resources left. Each faction has its own campaign consisting of 15 missions each, and there is also a multiplayer mode which allows up to 6 people to play.