Here is the full list of all 25 Don't Escape: 4 Days to Survive achievements.
Be the sole survivor
Witness the last snowman in the world
Get the perfect result on night one (spiders)
At least you tried!
Don't use the car.
Get the perfect result on night three (bandits)
You didn't forget to say goodbye.
Unlock the True Ending
Make sure everybody survives.
Get the perfect result on night four (air)
Learn this and that about your neighbourhood
Get the perfect result on night three (thunderstorm)
Get the perfect result on night two (heat)
Get the perfect result on night one (locust)
Unlock the Awakening mode
Complete the game
It would never go this high on its own...
Get the perfect result on night four (fuel)
Survive the fourth day
Survive the third day
Get the perfect result on night two (cold)
Get the perfect result on night one (gas)
Survive the second day
Survive the first day
So that's what this item is for!