User blog comment:Callofduty4/An admission.../@comment-2225636-20100804041943

I've only boosted once or twice. It was on Domination, all 12 players stand around one flag, and each team captures the flag on and on, till the score limit is reached. I got about 5,600 XP in one match, and gained like 3 levels! But besides that, I don't really care that much about boosters.