[quote][b]Posted by:[/b] halomcee Ok, Firefight is officially ruined. *Cancels Legendary Reach Pre-ordered edition (Not really)* However, I still think if you make yourself invulnerable to everything you could easily get all those easy achievements. [/quote] You can only do that in custom games, the achievements are probably for matchmaking only. They better throw in a good system so that I'm hooked up with the good people.