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.
Unlock the True Ending
Get the perfect result on night four (fuel)
Make sure everybody survives.
Get the perfect result on night three (thunderstorm)
Get the perfect result on night two (heat)
Get the perfect result on night one (spiders)
Get the perfect result on night one (locust)
Get the perfect result on night three (bandits)
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
So that's what this item is for!
Learn this and that about your neighbourhood
At least you tried!
Witness the last snowman in the world
Get the perfect result on night two (cold)
Survive the second day
Get the perfect result on night one (gas)
Survive the first day