Halo 2W
Halo 2

Halo 2 is a 2004 first-person shooter game developed by Bungie and published by Microsoft Game Studios for the Xbox console. Halo 2 is the second installment in the Halo franchise and the sequel to 2001's critically acclaimed Halo: Combat Evolved. The game features new weapons, enemies, and vehicles, and shipped with online multiplayer via Microsoft's Xbox Live service. In Halo 2's story mode, the player assumes the roles of the human Master Chief and the alien Arbiter in a 26th-century conflict between the United Nations Space Command, the genocidal Covenant, and the parasitic Flood.

Halo 3W
Halo 3

Halo 3 is a 2007 first-person shooter video game developed by Bungie for the Xbox 360 console. The third installment in the Halo franchise, the game concludes the story arc begun in 2001's Halo: Combat Evolved and continued in 2004's Halo 2. Halo 3's story centers on the interstellar war between twenty-sixth century humanity, a collection of alien races known as the Covenant, and the alien parasite Flood. The player assumes the role of the Master Chief, a cybernetically enhanced supersoldier, as he battles the Covenant and the Flood. The game features vehicles, weapons, and gameplay elements not present in previous titles of the series, as well as the addition of saved gameplay films, file sharing, and the Forge map editor—a utility which allows the player to perform modifications to multiplayer levels.

Halo 3: ODSTW
Halo 3: ODST

Halo 3: ODST is a 2009 first-person shooter game developed by Bungie and published by Microsoft Game Studios. The fourth installment in the Halo franchise, it was released on the Xbox 360 in September 2009. Players assume the roles of United Nations Space Command soldiers, known as "Orbital Drop Shock Troopers" or ODSTs, during and after the events of Halo 2. In the game's campaign mode, players explore the ruined city of New Mombasa to discover what happened to their missing teammates in the midst of an alien invasion. In the "Firefight" multiplayer option, players battle increasingly difficult waves of enemies to score points and survive as long as possible; Halo 3's multiplayer is contained on a separate disc packaged with ODST.

Halo 4W
Halo 4

Halo 4 is a 2012 first-person shooter video game developed by 343 Industries and published by Microsoft Studios for the Xbox 360 video game console. It is the fourth mainline installment and seventh overall in the Halo franchise. Halo 4's story follows a cybernetically enhanced human supersoldier, Master Chief, and his artificial intelligence construct Cortana, as they encounter unknown threats while exploring an ancient civilization's planet. The player assumes the role of Master Chief who battles against a new faction that splintered off from remnants of the Covenant, a former military alliance of alien races, and against mechanical warriors of the Forerunner empire known as the Prometheans. The game features a selection of weapons, enemies, and game modes not present in previous titles of the series.

Halo 5: GuardiansW
Halo 5: Guardians

Halo 5: Guardians is a 2015 first-person shooter video game developed by 343 Industries and published by Microsoft Studios for the Xbox One. The fifth mainline entry and tenth overall in the Halo series, it was released worldwide on October 27, 2015. The game's plot follows two fireteams of human supersoldiers: Blue Team, led by Master Chief, and Fireteam Osiris, led by Spartan Locke. When the former goes absent without leave to track down the artificial intelligence construct Cortana, Master Chief's loyalty is called into question and Fireteam Osiris is sent to retrieve him.

Halo 2600W
Halo 2600

Halo 2600 is a 2010 action-adventure game developed by Ed Fries and published by AtariAge for the Atari 2600, a video game console released in 1977 that ended production in 1992. Inspired by the Halo video games series, the game sees players control Master Chief and fight through 64 screens with varied enemies. Completing the game once unlocks a tougher "Legendary" mode.

Halo: Combat EvolvedW
Halo: Combat Evolved

Halo: Combat Evolved is a 2001 first-person shooter game developed by Bungie and published by Microsoft Game Studios. It was released as a launch game for Microsoft's Xbox video game console on November 15, 2001. Microsoft released versions of the game for Windows and Mac OS X in 2003. The game was later released as a downloadable Xbox Original for the Xbox 360. Halo is set in the twenty-sixth century, with the player assuming the role of the Master Chief, a cybernetically enhanced supersoldier. The Chief is accompanied by Cortana, an artificial intelligence. Players battle aliens as they attempt to uncover the secrets of the eponymous Halo, a ring-shaped artificial world.

Halo: Combat Evolved AnniversaryW
Halo: Combat Evolved Anniversary

Halo: Combat Evolved Anniversary is a 2011 first-person shooter video game developed by 343 Industries, Saber Interactive and Certain Affinity. It is a remake of Halo: Combat Evolved (2001), developed by Bungie. Publisher Microsoft announced Anniversary alongside Halo 4 at the 2011 Electronic Entertainment Expo. It was released in November 2011, the 10th anniversary of the original Halo, for the Xbox 360 console, and re-released as part of Halo: The Master Chief Collection for the Xbox One in November 2014. A Windows version was released in March 2020.

Halo InfiniteW
Halo Infinite

Halo Infinite is an upcoming first-person shooter game developed by 343 Industries and published by Xbox Game Studios for Microsoft Windows, Xbox One, and Xbox Series X and Series S. The sixth main entry of the Halo series and the sixteenth Halo game overall, it continues the story of the Master Chief, following Halo 5: Guardians (2015). Unlike previous installments in the series, the multiplayer portion of the game will be free-to-play.

Halo: The Master Chief CollectionW
Halo: The Master Chief Collection

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. An enhanced version was released for the Xbox Series X|S in November 2020. The collection was developed by 343 Industries in partnership with other studios and was published by Xbox Game Studios. The collection includes 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.

Halo: ReachW
Halo: Reach

Halo: Reach is a 2010 first-person shooter developed by Bungie and published by Microsoft Game Studios, originally for the Xbox 360. The fifth installment in the Halo series and a direct prequel to Halo: Combat Evolved, Reach was released worldwide in September 2010. The game takes place in the year 2552, where humanity is locked in a war with the alien Covenant. Players control Noble Six, a member of an elite supersoldier squad, when the human world known as Reach falls under Covenant attack.

Halo: Spartan AssaultW
Halo: Spartan Assault

Halo: Spartan Assault is a twin stick shooter video game developed by 343 Industries and Vanguard Games. Part of the Halo media franchise, the game was released on July 18, 2013, for Microsoft's Windows 8 and Windows Phone 8 platforms. The game subsequently released on Xbox 360, Xbox One, Steam, and iOS. Halo: Spartan Assault is set between the events of Halo 3 and Halo 4. Players control the human soldiers Sarah Palmer and Edward Davis as they fight a new splinter faction of the alien Covenant. The game launched with 25 single-player missions; an additional campaign released as downloadable content. The console versions also feature an exclusive cooperative horde mode.

Halo: Spartan StrikeW
Halo: Spartan Strike

Halo: Spartan Strike is a twin-stick shooter video game set in the military science fiction Halo universe. The successor to Halo: Spartan Assault, the game was developed by 343 Industries and Vanguard Games. It was released for iOS, Windows, and Windows Phone on April 16, 2015. During gameplay, players assume the role of human supersoldiers known as Spartans in a series of war games simulating historical events. Players use new weapons, armor abilities, and vehicles in a campaign mode of 30 missions.

Halo WarsW
Halo Wars

Halo Wars is a real-time strategy (RTS) video game developed by Ensemble Studios and published by Microsoft Game Studios for the Xbox 360 video game console. It was released in Australia on February 26, 2009; in Europe on February 27; and in North America on March 3. The game is set in the science fiction universe of the Halo series in the year 2531, 21 years before the events of Halo: Combat Evolved. The player leads human soldiers aboard the warship Spirit of Fire in an effort to stop an ancient fleet of ships from falling into the hands of the genocidal alien Covenant.

Halo Wars 2W
Halo Wars 2

Halo Wars 2 is a real-time strategy video game developed by 343 Industries and Creative Assembly. It was published by Microsoft Studios and released in February 2017 on Windows and Xbox One. The game is set in the science fiction universe of the Halo franchise in 2559. It is a sequel to Halo Wars (2009). The story follows the crew of Spirit of Fire, a United Nations Space Command (UNSC) ship. Spirit of Fire arrives at the Ark, a Forerunner installation responsible for constructing and remotely controlling the titular Halo rings. Conflict breaks out between the UNSC forces and an alien faction known as the Banished over control of the Ark.