On Saturday an in-game counter noted that the cumulative number of kills in the game has surpassed the planet's real-world population, which stands at about 6.9 billion, .
Those deaths were largely as a result of gun shots. An amazing 138 billion shots have been fired in the game, and a disturbing -- or successful, depending on your point of view -- 561 million have been instant-killing headshots. About 51 million headshots have been delivered execution-style, while a player was alive but lying wounded.
While guns rule the "Call of Duty" universe, there are also many other ways to kill opposing players.
Frag grenades are a popular tool of destruction and 527,936 tons of them have been thrown so far, along with 50,782 tons of C4 plastic explosive. To put those numbers in perspective, the Eiffel Tower's all-iron structure weighs 10,000 tons.
Some other stats: