List of Halo Levels

when you meet carmine run.

then attack the nearest enemy with a chainsaw this will activate the mission!

then the locus will be on the ground..

WHIP YA COCK OUT AND RAPE THE CUNT! 
 * A Complete Strategy Guide and Walkthrough for Halo 3

Here is a list of all the levels in Halo:Combat Evolved, Halo 2 and Halo 3. Contained in each level's page, there is a walkthrough, usually for Legendary difficulty, which should also work on Heroic, Normal, or Easy. Each page also contains transcripts for the level, if applicable. For a guide on writing a walkthrough, please see Help:Level Walkthroughs