[/img]343 Industries has announced the multiplayer playlists which will be available when Halo 5: Guardians launches.
You’ll notice Big Team Battle isn’t included in the matchmaking list below, but don’t worry about that for the time being.
Instead, concern yourself with the following playlists:
Warzone – 24 players on massive maps with REQs and AI adversaries
Warzone Assault – Asymmetrical variant where players must destroy the Power Core or defend it
Slayer – Work with a team to destroy opponents
Breakout – High lethality single-life elimination mode
Free-for-All – You against everyone else
SWAT – No shields, no motion tracker
Team Arena – Has five modes and nine maps
Source: TheTechGame.com