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