Central hardwoods, Mac version or PC version 1-1.5 MB
Northeast, Mac version or PC version 1-1.5 MB
Southeast, Mac version or PC version 1-1.5 MB
Boreal, Mac version or PC version 1-1.5 MB
Grasslands, Mac version or PC version 1-1.5 MB
Desert Scrub , Mac version or PC version 1-1.5 MB
Desert, Mac version or PC version 1-1.5 MB
Rocky Mountain, Mac version or PC version 1-1.5 MB
Pacific Coast, California Dry Forest, Mac version or PC version 1-1.5 MB
Pacific Coast, Rain Forest , Mac version or PC version 1-1.5 MB