After the unveiling of the remastered ‘Sanctuary’, before 343 ended their time on stage, they took the time out to show us the ‘Halo 5: Guardians’ multiplayer beta. Dev’s reveal that the beta will be 4v4 arena matches and that it will run from December 29th to January 18th. There will be seven maps available to play in three different modes. Also, devs reveal that within the Halo Channel, you’ll be able to unlock things for the Halo 5 beta and carry them into the full game upon it’s launch.