Bonus Map Pack
The Bonus Map Pack was the first downloadable content package for Halo 2, released on April 25, 2005. The pack was released as a free download sponsored by Mountain Dew, and was required in order to play Halo 2 Matchmaking over Xbox Live before its shutdown in 2010. The map pack was later included in the releases of the Halo 2 Multiplayer Map Pack, Halo 2 PC port and Halo: The Master Chief Collection.
Containment is a large Big Team Battle map designed for Capture the Flag and Slayer. At the time of release, Containment was one of the largest levels shipped in a Halo game.
Warlock is a small, indoor and symmetrical map and a remake of Halo: Combat Evolved's Wizard. The map is given a Forerunner theme set in the Delta Halo stome temple ruins. The map is designed to support 2-8 players, including Slayer, Oddball and Capture the Flag.