Aug 7, 2012 Creator discusses changes that will come with freedom from ArmA II Kyle Orland - Aug 7, 2012 10:55 pm UTC When Dean "Rocket" Hall started working on the zombie-themed DayZ mod for Bohemia Interactive's ArmA II. Beta Patches. Latest Patches are available only as a Steam update. Please report issues / feedback to the Community Issue Tracker. May 21, 2012 How to install ArmA 2's Day Z mod. By Craig Pearson May 21, 2012 The manual method: mod ArmA 2: Operation Arrowhead. With both.