DayZ is a zombie apocalypse mod
for the military simulator Arma II
and it's standalone expansion pack, ArmA 2: Operation Arrowhead
. It depicts the player as a survivor, who is trying to survive among other survivors, who, considering the circumstances, have the tendency to act hostile towards the player, and zombies, who attack the player, in the event he or she is spotted by one.
Through-out the game, the player must scavenge for resources, like weapons, ammunition and medication. Unlike other zombie games, he or she also needs food and drinks to fill the hunger the player experiences, as being on the move through the huge environment that is Chernarus
, depletion of energy is imminent.
DayZ Beginners Guide