Perform a double super bounce on Headlong in H2 Reach the scarab gun in the Metropolis level on Halo 2 Vidmaster Challenge: Annual (You'd be surprised how difficult it is with Iron Skull on, progressing up the pyramid and finishing the level in Ghosts) Beat the Halo: CE level "Halo" on Legendary (Those H:CE Elites were a pain) If They Came To Hear Me Beg - Reach achievement where one must drop down onto an Elite and perform an assassination animation. The height has to be high enough to normally kill you if you don't engage the assassination animation before hitting the ground. The timing is rough.