Ok so after the delay of forge and co-op, just wanted to summarize all we know so far and discuss.
At launch
(Confirmed)
Campaign (with split screen I believe, but no co-op)
BTB
Arena (ranked and social)
Theater
(Unconfirmed)
Firefight (not a a word or even a clue of it yet)
Warzone (I’m nearly certain it wont be in for launch)
Custom game browser (without forge it will not be as robust but can still be beneficial)
Post launch
Co-op campaign (estimated 3 months post launch)
Forge (estimated 6 months post launch)
Assassinations (no estimated release)
Now that everything is clear, I want to discuss what needs to be present in what has been confirmed so far. What game modes should be present in ranked and social arena. What game modes should be present in BTB come launch. Is there any surprise game mode that will be there? Halo 5 had a lack of content at launch but that was for many reasons. Since the game will not be delayed, what do the game modes we are supposed to have at launch need to offer to keep the game interesting until forge and co-op campaign release.