In Halo 3, beating campaign on Legendary.!!!?

[mostly_forfun]

IN halo 3, does beating the campaign on legendary also give achievements points for Heroic and Normal? ? or do i have to go back and beat it on Heroic and NOrmal to recieve the achievement points??

 

[Justin]

Yes it does give you the achievements for beating campaign in legendary

 

[dan_man94]

all you have to do is beat it on legendary and you get the achievments for the normal and heroic campaigns