The oracle.zip file you have requested: Maps Levels Missions / CE Maps / O to P Titles / Oracle - 9.65mb 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 This is like the level 343 Guilty Spark, except for Halo CE, except its only part of the level with the Light Bridges. Good battles are ensured to happen!