Halo 6 is a shooter game developed by 343 Industries and released on Xbox One. The game has been confirmed as the last part of the "Reclaimer Trilogy" though no other information has been confirmed at this time.

Halo 5: Guardians is a first-person shooter game being developed by 343 Industries and due to be published by Microsoft Studios exclusively for the Xbox One in 2015.

Halo 4 is a first-person shooter game developed by 343 Industries exclusively for the Xbox 360. The seventh installment in the Halo series, and the fourth major title, it was later released on Xbox One as part of the Halo: The Master Chief Collection.

Halo: Reach is a first-person shooter game developed by Bungie for the Xbox 360. It was announced on E3 2009 and it's first in-game trailer was shown during the 2009 Spike Video Game Awards. It was released on September 14, 2010 in North America and September 15, 2012 in Japan.

Halo 3 is a first-person shooter game developed by Bungie for the Xbox 360. It was announced at E3 2006 with a real-time cinematic trailer. It was released on September 25, 2007 in North America, September 26, 2007 in Europe and September 27, 2007 in Japan.

Halo 2 is a first-person shooter video game developed by Bungie Studios. Released for the Xbox video game console on November 9, 2004, the game is the second installment in the Halo franchise and the sequel to 2001's critically acclaimed Halo: Combat Evolved.

Halo: Combat Evolved, also referred to as Halo: CE or simply Halo is a First-Person shooter released for the original Xbox on November 14, 2001 as a launch title for the platform. It quickly shot to popularity even finding a significant amount of mainstream recognition (for the time). It became popular for LAN Network play and the punishing difficulty of its Legendary mode. Its release and success spawned a full fledged franchise with games, toys, books, a live action TV series, and more.