Here is the full list of all 13 DayZ achievements.
Killed twenty survivors or infected with a head-shot.
Equipped a firearm, a melee weapon and a backpack.
Killed an infected soldier.
Killed my first infected.
Ate and drank something.
Cooked a steak on a stick.
Ignited fire using a matchbox, a road flare and a hand drill.
Shaved my face.
Gutted a deer.
Killed a survivor at more than three hundred meters.
Applied bandages on other survivors thirty times.
Handcuffed ten people.
Killed fifteen survivors with any melee weapon.