[Joe Kerr]

Originally Posted by Shaggy Didnt play any real online multiplayer. I screwed around in forge world with a few friends checking all the stuff out and then we jumped into firefight for about an hour and a half. Got all the firefight achievs except for 1,000,000. That looks like its gonna take forever. I know there are a few maps out that say you can get it in like an hour but I dont see how those work. .

You have to turn alll skulls on, and have it on Legendary setting and create the invulnerability skull.