 Halo : Combat Evolved Anniversary is a first @-@ person shooter video game set in the Halo universe and is an enhanced remake of Halo : Combat Evolved . Microsoft announced the game alongside Halo 4 at the 2011 Electronic Entertainment Expo . The game was released on November 15 , 2011 — the 10th anniversary of the original title 's launch — for the Xbox 360 game console , and rereleased as part of Halo : The Master Chief Collection for the Xbox One on November 11 , 2014 . 
