eriklittle2004
New member
I just finished Halo 3 on the Heroic difficulty setting, but the game refuses to give me the achievement even though I beat all the levels on Heroic (solo with no skulls on). Why did this happen? After I just beat the last level on Heroic (the level called Halo) I skipped the cutscenes and the credits by pressing A and it didn't trigger a achievement...I know I beat all the levels on the Heroic difficulty because I did them in order and the Halo level was the last level to beat. I don't have Xbox Live either.