Complete Day 2 of the main story

On Day 77, once the new walkie-talkie is retrieved, head back to the gate near Wapiti Station
Open the gate and in front of you is a box on a pole
Open the box and a bee will fly out and sting you

Complete Day 77 of the main story

Complete Day 79 of the main story

Complete Day 1 of the main story

As early as Day 2, upon arrival at Aspen Grove on the southern side of the map, stand in it
While standing in the grove, look North towards some tall pine trees with a rock in the middle
On the rock is the turtle, walk up to it and pick it up to adopt it

The Axe is needed to get this achievement
As early as Day 77, head north towards Beartooth Point
Find the split in the trail near the sign in the path and where the cables hand down
Head to the left, look for a gap in the bushes, and then use your axe to clear the trail
Pick up the cassette tape that's sitting on the makeshift bench

As early as Day 2 and after finding the downed line and heading towards the left path
After crossing over on the log and finding the backpack, hit it down to get it and the items inside
Inside the bag is the camera you'll need, you just have to use all the pictures in it

Complete Day 76 of the main story

As early as Day 77, head north to Beartooth Point
Find the split in the trail near the sign in the path and where the cables hang down
Head to the right and follow the trail to the old cabin
In the basement, open the old stove to get attacked by a raccoon