Bonus Map Pack

Bonus Map Pack is a downloadable content package for Halo 2. It was released on April 25, 2005 as a free download sponsored by Mountain Dew. This download is required in order to play Halo 2 Matchmaking over Xbox Live.

Bonus Map Pack added two new maps to Halo 2; Containment and Warlock.

Trivia
The Bonus Map Pack content is also included in the Halo 2 Multiplayer Map Pack and the PC version of Halo 2.