Of all the survival shows they have on TV, the one I like best is Alone. Here, they drop you off in the winter out in the middle of nowhere and just leave you there until you go insane. It's certainly the show I'd like to be on. With my kidney problems and some other health issues, I couldn't survive on any of these shows. Alone allows way more provisions, but calling in for help is the same as tapping out. So, the folks build shelters; some quite elaborate and others little more than a lean-to. This season, in the Canadian arctic, that may come back to haunt some of them.
As with Naked & Afraid, procuring food is tough.
If it were me, I'd try and build a raft or dugout canoe before the weather turns really cold. Then I could cover more ground looking for resources. Fish move around. Game moves around.