The Halo video games have been highly successful and influential the first game was labeled the killer application of Microsoft's Xbox and was credited with selling many consoles. Blue, and other fan fiction however, this list only covers media produced or endorsed by series creator Bungie, or the intellectual property overseer 343 Industries. The Halo series has inspired machinima productions, such as Red vs. The story of the series is about the Master Chief, a cybernetically enhanced human super-soldier and his artificial intelligence (AI) companion, Cortana, as the humans of a futuristic universe battle the Covenant, a theocratic alliance of alien races. Central to the Halo series are the three first-person shooter video games Halo: Combat Evolved, Halo 2 and Halo 3 novelizations, soundtracks, and other media are also available. Halo is a science fiction video game franchise created by Bungie and owned and published by Microsoft Studios.