Halo 3: Mythic

Halo 3: Mythic is the Halo 3 multiplayer disc that comes with Halo 3: ODST. The disc includes Halo 3's multiplayer component, Forge, the Theater, and every Halo 3 multiplayer map ever released, including three new maps: Heretic, Citadel, and Longshore along with their respective achievements.

Trivia

 * Buying Halo 3: ODST is more efficient them buying all of the map packs individually, as you get the game with them.