Here is the full list of all 13 DayZ achievements.
Ate and drank something.
Equipped a firearm, a melee weapon and a backpack.
Killed my first infected.
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.
Killed an infected soldier.
Applied bandages on other survivors thirty times.
Handcuffed ten people.
Killed fifteen survivors with any melee weapon.
Killed twenty survivors or infected with a head-shot.