Online services for Halo: Reach, Halo 4, Halo 3, Halo 3: ODST, Halo: Combat Evolved Anniversary, Spartan Assault and Halo Wars will all end by December 2021. Youll be able to continue to play these games after this date, of course, but certain online features, such as online matchmaking, will go offline.

Can you still play Halo 3 online 2020?

So by December 2021, at the latest, all Xbox 360 versions of Halo will no longer support online functions or updates. Sunsetting these online services will affect Xbox 360 versions of Halo: Reach, Halo 4, Halo 3, Halo 3: ODST, Halo: Combat Evolved Anniversary, Spartan Assault, and Halo Wars.