Yellow Zones are lawless wastelands where daily life is a struggle and Nod is seen as the last hope of the common man. GDI has succeeded in containing Tiberium in areas dubbed Blue Zones, which are bastions of civilization and relative paradises compared to the rest of the planet.
Set seventeen years after its predecessor, Tiberian Sun in a starkly stratified world. Command & Conquer 3: Tiberium Wars (EA LA, 2007) is the third mainline installment of the Command & Conquer: Tiberian Series.