my suggestion is this on every cold enviroment:
my second suggestion is there should be rare-to-find extreme enviroments while there are normal enviroments. more key and points multiplier. and to make these enviroments easier, you can upgrade your heat shield.
i agree with these about extreme hot enviroments
overheating too much kills you is kinda far way too extreme lmao
i agree with these about extreme cold enviroments:
im neutral about these about extreme cold enviroments:
as i said, extreme enviroments will not replace any of these normal hot/cold enviroment missions