Here is the full list of all 13 DayZ achievements worth 1,000 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
Eat and drink something.
Equip a firearm, a melee weapon and a backpack.
Kill your first infected.
Cook a steak on a stick.
Ignite fire using a matchbox, a road flare and a hand drill.
Shave your face.
Gut a deer.
Kill a survivor at more than three hundred meters.
Kill an infected soldier.
Apply bandages on other survivors thirty times.
Handcuff ten people.
Kill fifteen survivors with any melee weapon.
Kill twenty survivors or infected with a head-shot.