Univers 11: Under the Sky

Actions begin to develop in 2022 after the virus brutally destroyed all the inhabitants of the city of Wiltshire.
For a month a stubborn struggle was waged against a merciless infection, but even now the danger has not passed.
The streets were filled with infected, because of this, people could not get out of Wiltshire.
A month later, electricity and water were cut off, food ran out, and there was less and less clean water.
Some of the survivors managed to escape by taking refuge on the rooftops of their hometown.
The survivors began to build rainwater collectors, grow food and equip their homes, because the hope of salvation had already died.

In Under The Sky you have to survive on the roofs of houses, get resources, build shelter, look for food and water, discover new technologies, the roof will help you survive, but it is very difficult to survive alone, create your own settlement, become a wise leader, look for new people, bargain with other settlements, protect your territories and resources, create clans with other settlements, send caravans with resources, pass laws and most importantly, find a way out of the city.

Peculiarities:
Two building systems
dynamic weather change
change of seasons
Flexible artificial intelligence with priorities
Each new game will not be similar to the previous one (sandbox)
Passing laws
Co-op or Separate Multiplayer Survival
character customization