How to fix Halo 3's Battle Royale Gamemode Glitch

launch mcc and go into Valhalla custom in halo 3

when loaded in, shoot your gun until it has 4 bullets left

complete the most complicated glitch on the map

drain your shields to 0.123483534312$%

release your inner demons

kill your family

take the money

rob a bunch of banks bank

become a terrorist

nuke the US

go back to your computer

after get to the last mission on Halo 3 without beating it once

press alt f4 and you will get an achievement

plus the glitch will be fixed!!@@!$@#%#^#$@#$#@#%