Within the charming valley of Everdell, beneath the boughs of towering trees, among meandering streams and mossy hollows, a civilization of forest critters is thriving and expanding. From Everfrost to Bellsong, many a year have come and gone, but the time has come for new territories to be settled and new cities established. You will be the leader of a group of critters intent on just such a task. There are buildings to construct, lively characters...

In Evolution, you're in the midst of a dynamic ecosystem of limited resources and hungry predators. What traits will your species need to eat, multiply and thrive? The answer changes with every game. 4000 different species to create.