Back At It

Back At It is an achievement in Halo: The Master Chief Collection. It is unlocked by playing Halo 2 on the 9th of any month - the day in November, 2004 when the original game was released. The achievement will unlock as soon as the player begins a campaign mission or multiplayer match. The achievement is worth 5 Gamerscore, and the Xbox achievement art is of the opening of the Anniversary cutscene of Cairo Station before the ceremony.