Halo is a popular video game franchise developed by Bungie and now managed and developed by 343 Industries, a subsidiary of Microsoft Studios. The series is set in a science fiction universe and follows the adventures of the super-soldier Master Chief John-117 as he battles various alien races and militias. Known for its immersive gameplay and compelling storyline, Halo has become synonymous with first-person shooter games and has garnered a massive fanbase worldwide.