Red Alert: Calamity Era

The world after the nuclear war was a wasteland, and nature was radiating with extraordinary vitality! The world was shrouded in green, and the lush woodlands had become a paradise for all living beings to hunt and evolve! 
The former hegemon of humanity had become the lowest level of existence in the food chain, surviving tenaciously and with great difficulty! The gears of history have begun to turn again, beginning with the Dirty Valley.