The area52.rar file you have requested: Maps Levels Missions / CE Maps / A to B Titles / Area 52 - 14.04mb is not available. Perhaps try browsing all files for the game Halo: Combat Evolved and upload any files you want to share or are missing. This is the only information we could locate:
For more information on Halo, visit Halo2.filefront.com Area 52 is a small enclose map, and somewhere, there is a hidden base, Area 52. It has alien test subjects, and some really hard to kill AI.