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