Lighting\exposure quck fix: go to Post-Process Volume, check the box that says Min EV100 and change it to 2 (or any number that fits your preferences)

Playable online demo

Video

How to use vertex paint in my projects (use Red channel to paint\erase snow)

The architecture is mostly Russian and Eastern European.

This asset pack has fully procedural snow and many variations of modular houses' parts. It's up to you to make a happy freshly-built village or a gloomy and abandoned environment with ruined homes.

The first example map is a vast winter scenery. The second one is to demonstrate the summer version of the asset pack.