Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Top-Down City Free.
This pack is the third in a “Top – Down” series . Prefabs are also prepared to another camera view (first or third person). Assets can be used on mobile devices too.
Package contains over 200 prefabs:
– 23 buildings
– over 100 addons (such as cargo, lamps, trees etc.)
– 7 rocks
– 6 grounds
– 3 Demo levels
– particles, flock of seagulls simulator
– materials and meshes optimized for mobile devices