Cities XXL official Map Editor is the perfect tool to build and create your own maps, and to share them with the Cities XXL community.
Edit your fields, generate the relief from a “heightmap” folder and apply yourself the materials and consistencies.
Plantation of forests with various kind of trees, addition of resources, setting of particles, until the configuration of the environmental settings (color of the sky according to the time of the day, intensity, transitional period between day and night, sky cubemaps, settings of the scattering, of the water…), you have maximum freedom in designing your field!
The complete document about the Cities XXL Official Map Editor is available on the Steam Guide of the game