has officially made it to the top of the world. The DayZ
creator watched the sun rise from the summit of Mt. Everest on May 21st, according to a tweet released earlier today
Gamasutra recently asked Hall about his Arma
zombie mod's phenomenal success
, and he pointed to the design's ability to trigger psychological responses to both ownership and loss. "I think the big thing was that it was this finely-crafted mix of permadeath -- which gave you a sense of value, because you could lose something -- and ownership," Hall explained. "Because it's persistent, it means that it's going to be there tomorrow. I think those two things mixed together meant that you had these really valuable stories that came from it."