The 2000s saw the release of numerous iconic video games, but few have demonstrated same type of lasting impact as the Halo franchise. Master Chief's adventures are synonymous with the history of first-person shooters, and over the course of 20-plus years, there have been numerous video games, novels, and television shows attached to his name.
Source：https://www.cbr.com/halo-games-most-important-lore-new-players/
