- How many Halo 2 achievements are there?
There are 41 achievements to unlock in Halo 2 worth a total of 1000 gamerscore.
Halo 2 Achievements
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There are 41 achievements with a total of 1000 points
Kill 7 opponents from behind in a row without being spotted, any level, any difficulty
Play every available default map and stay in each game until it’s over
Blow up the Banshee in flight while manned, with grenades or the rocket launcher