From Halopedia, the Halo wiki
This article is about the Halo 5: Guardians Campaign gametype. For other uses of the term "Score Attack", see Score Attack.
Score Attack is a Halo 5: Guardians Campaign gametype, added into Halo 5: Guardians in the Warzone Firefight update. When selected, it enables Campaign scoring and automatically skips all cutscenes.