Release dates for Halo 4's upcoming War Games map packs have reportedly been outed in an advertisement spotted on the German version of Xbox 360's dashboard, as reported by Halo Council.

According to the translated advert, 343 Industries will release three map packs beginning December. The Crimson Map Pack will become available Dec. 10, The Majestic Map Pack will be available Feb. 25, 2013 and the Castle Map Pack will be available come April 1. The studio has yet to make any official announcement.

All map packs are available with the Halo 4 War Games Season pass.

We have contacted Microsoft for comment and will update the post when further information becomes available.