According to developer Bungie Studios, the amount of kills in the latest instalment in the Halo series is more than the total population of the planet. An observant poster called Omega on the official Halo forums, quoting official game kill figures, noted, "As of early Saturday (June 21) or late Sunday the number of kills in Halo 3's campaign exceeded the population of the planet (or at least its projected population)."

　　The total Halo 3 campaign kill count as of press time is 6,751,629,478, and the estimated total world population is 6,705,066,871.

　　The total friendlies killed in action is probably less to brag about, but is also quite high, currently standing at 1,177,960,021.

　　Halo 3 was launched to huge fanfare on September 25, 2007 in the US (September 28 in Europe). It was the best-selling video game of 2007 in America, and the last time anyone counted, it had sold some 8.1 million copies. It is even big in Japan, despite the traditional failure of first-person shooters in the country and the small Xbox 360 installed . The campaign mode features nine levels, and completes the story of the trilogy, which started in 2001 with the Halo: Combat Evolved and conitnued