https://wccftech.com/halo-infinite-multiplayer-gets-first-btb-gameplay-though-the-preview-flight-might-be-delayed/

343 Industries shared new Halo Infinite multiplayer footage, including the first look at Big Team Battle (a 12v12 mode), during yesterday's official live stream.

Interestingly, Big Team Battle will feature 'loot caves' which can be hacked to access powerful weapons.