Halo: The Master Chief Collection is a compilation of first-person shooter video games in the Halo series, originally released in November 2014 for the Xbox One, and later on Microsoft Windows through 2019 and 2020. The collection was developed by 343 Industries in partnership with other studios and was published by Xbox Game Studios. The collection consists of Halo: Combat Evolved Anniversary, Halo 2: Anniversary, Halo 3, Halo 3: ODST, Halo: Reach, and Halo 4, which were originally released on earlier Xbox platforms.

Each game in the Master Chief Collection received a graphical upgrade, with Halo 2 receiving a complete high-definition redesign of its audio and cutscenes that are exclusive to the collection. The game includes access to the live-action series Halo: Nightfall as well as the Halo 5: Guardians multiplayer beta that was available for a limited time. The collection's multiplayer features every map originally released with each game, including six Halo 2 maps remade from the ground up.

Critics generally praised The Master Chief Collection for its updated audio and visuals, as well as its quantity of content, but criticized its multiplayer aspects due to a significant number of bugs and poor matchmaking experiences. Many of these technical issues were later fixed in post-release patches.