This is a paid asset, but now you can download Mega Sci-Fi City Pack for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Mega Sci-Fi City Pack v4.0
Mega Sci-Fi City Pack, is both a sci-fi city buildings 3D model pack and a randomized city generator pack. With 20 unique city objects to mix and match, the Mega Sci-Fi City Pack makes it easy to add a sci-fi themed city to your game. The Randomized City Generator script easily created the city layout for you with ease. Create and add new ‘city block’ prefabs to the random city generator script to increase the randomness and create your own look. The pack contains 7 color schemes: green, red, blue, yellow, white, and gray, each with their own prefabs ready and setup to place into your game.
Feature List:
– 7 COLOR SCHEMES INCLUDED (GREEN, BLUE, RED, DARK, YELLOW, WHITE, AND GRAY)
– 20 UNIQUE CITY BUILDINGS & OBJECTS
– OVER 70+ CITY BLOCK PREFABS SETUP AND READY
– EAST-TO-USE RANDOMIZED CITY GENERATOR SCRIPT INCLUDED IN C#
– EASY-TO-USE EDITOR WINDOW TO GENERATE RANDOM CITIES STRAIGHT INTO YOUR GAME SCENE
– FULL DEMO SCENE INCLUDED