Hi,
There is apparently some controversy on some features like Cabin Fever. I think it would enrich a game a lot if we could choose a difficulty mode Custom and get a bunch of sliders and checkboxes to tune the gameplay rules. Here are some examples I came up with:
weather severity / temperature
speed of weather getting worse and worse (can be set to 0 to maintain current level of weather for whole run)
cabin fever checkbox
wildlife amount (preferably separate sli