BwA Gaming

Nice looking 4 player Co-Op game where you try to survive in the wilderness.   There will be 3 maps at launch called Summer, Autumn and Winter, but they are different areas, not just different seasons.

Co-Op is a special mode, not the full campaign. Co-Op mode uses the full maps, so you're not getting the NPC missions, that is only in the single player version.

https://store.steampowered.com/app/1192010/Open_Country/