Hi all wanted to suggest, that's if it's possible as no idea how achievements work adding 2 possibilities.
Firstly:
a) Not All Who Wander are Lost: unlocked for discovering ALL the locations in one single game
and
b) Expand the days survived according to difficulty level for example:
Apologies for poor image quality, I'm no graphic artist they are meant to represent bronze silver and gold
Just thought it would give more significance to someone who surviv