Firefight: Alpha Site

Firefight: Alpha Site is an achievement in Halo 3: ODST. It is awarded for scoring over 200,000 points during a Firefight match on Alpha Site. It is worth 10 Gamerscore.

This achievement is represented by an olive square with the ONI insignia on it.

When doing this on single player, it is only allowed a minimum of 2 hours to reach 200,000 points.