https://www.citygen3d.com/

Generate 3D environments easily from real world data! Buildings, roads, trees and more, all procedurally generated using information from OpenStreetMap.You can get the latest version of this pack for free from us. With CityGen3D you can have terrain, roads and buildings all generated for you based on real world data from OpenStreetMap! Select your location from anywhere in the world and let CityGen3D do all the work without any coding required, all from within the Unity Editor.

https://www.fab.com/listings/899d8fd6-ce40-4c4e-aa82-3fce041fe3ce

With thousands of happy customers, we are determined to help you realize your vision. This menu system includes all the features you usually see in most AAA games and is therefore the perfect starting point for your project. Change Settings in the Main Menu or adjust them while your are ingame using the Pause Menu. Fine tune your graphics settings, while seeing changes directly on a preview image. Set Display Settings, such as Gamma, HDR, Color Deficiency, Resolution and Window Mode. Adjust audio levels for different channels, such as Master Volume, SFX Volume, Music Volume and Voice Volume and change your output device.

https://www.fab.com/listings/77e58b77-87a8-4c97-97dc-de5d0c14d758

This project includes everything pictured with all assets, maps, and materials created in the Unreal Engine. Each asset was created for realistic AAA quality visuals, style, and budget.