Please comment if something isn't right, I would love to fix whatever is wrong.
This is the guide I used to complete this on the 360.
Some notes: The mutators to not starve CAN be on to get all achievements in this game.
Unlike the 360, a gamer has said that dying CAN reset your progress, so use mutators to help just to be safe!
The Inventory mutator wasn't available for my playthrough, but a user has said creating a new save will bring it back.
Throughout your playthrough, challenges pop up in the corner with a countdown. Completing 25 of these in a game will unlock you the achievement! Challenges will most likely repeat, and repeated challenges will count towards the total.
A list of the challenges has been made by Steam user Vic=HKC= and can be found here: http://steamcommunity.com/sharedfiles/filedetails/?id=442513...
If you have access to a laptop/tablet/etc., go to the page above and then CTRL + F to quickly navigate the quests by name. This will really help out for ones that need you to go to a certain area (taking a shower, making the water course deadly, etc.) with little time for looking around.