Master Chief (Halo)
MCPON John-117, or "Master Chief", is a fictional character and the protagonist of the "Halo" fictional universe created by Bungie. Master Chief is a playable character in the series of science fiction first-person shooter video games "", "Halo 2", "Halo 3", "Halo 4", and "". Outside video games, the character appears in books and graphic novels—"", "", "", and ""—and has cameos in other "Halo" media, including "", "", "The Halo Graphic Novel", "Halo Legends" and "".
Halo: The Master Chief Collection
At launch, many players experienced problems with online matchmaking modes. 343 Industries released numerous updates to address these issues. On November 24, 2014, Bonnie Ross, head of 343 Industries, issued a public apology noting issues "that have resulted in a frustrating experience, including long matchmaking times and low session success rates". On December 19, 2014, Microsoft announced that as an apology for the issues, it would give a free month of Xbox Live Gold, a special avatar and nameplate, and a free downloadable copy of the "Halo 3: ODST" campaign to those who played the game between its launch and December 19, 2014. The campaign mode of "ODST" was released to the public on May 30, 2015, and with it, 100 additional Achievements. It is available to purchase separately to those who are not eligible for a free code for the add-on.