The Long Survival Dark

Several years ago, humanity faced a zombie virus and was able to defeat it only by using nuclear warheads. Although in some cities life goes on as usual, but 80% of the globe is lifeless territory. And most importantly, due to nuclear weapons, the climate and the cycle of day and night have changed, now it is cold everywhere, and the night lasts 250 days a year ...

You are one of the survivors, but one day you wake up not in your warm bed, but in a cold, dead city, where the hungry dead still walk.
Can you survive?

Look for resources and weapons
Fight zombies
Craft items and uniforms
Monitor your health, temperature, hunger and thirst
Find a way to get through the location