Download Sci Fi Cityscape FREE Unity. 

– PBR metal/smoothness workflow
– Models don’t have UV’s, textures mapped in world space
– demo scene included
– 100+ prefabs altogether
– 12 assembled building block prefabs
– 5 skyscraper prefabs
– 6 Themes (Postprocessing profiles + material settings) included
– Nighttime setting (emission meshes can be enabled/disabled)