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