Microsoft Game Studios today announced that four new Halo 2 multiplayer maps are available on Xbox Live. Two of the maps, Containment and Warlock, are available for free to Xbox Live members. Unfortunately, the other two maps, Sanctuary and Turf, are available together for download via Xbox Live for £2.99. On the other hand, all nine maps, which will be included in the retail Halo 2 Multiplayer Map Pack will be available for free from 30th August. Your choice!