Here is the full list of all 25 Don't Escape: 4 Days to Survive achievements.
Unlock the True Ending
Get the perfect result on night one (locust)
Get the perfect result on night three (bandits)
Get the perfect result on night four (air)
At least you tried!
Witness the last snowman in the world
Learn this and that about your neighbourhood
Make sure everybody survives.
Be the sole survivor
Don't use the car.
Get the perfect result on night two (cold)
So that's what this item is for!
Get the perfect result on night one (spiders)
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)
Get the perfect result on night one (gas)
Survive the third day
Get the perfect result on night three (thunderstorm)
You didn't forget to say goodbye.
Get the perfect result on night two (heat)
Survive the second day
Survive the first day