Custom Games Matchmaking [Waiting since Halo3]
[Fixed] Halo 4 forge with more features = Adding Ai [Ai as in everything from UNCS Grunts, to enemies, to campaign bosses]
New Forge Mode: Campaign Forge
[Lets you go into a campaign mission, choose a checkpointed section, or area, and build there and complete the mission how you would've liked too, or just use that area to make a game mode in]
Remove armor abilities from starting load outs and make them pick up if you still choose to keep them in.
Make the DMR a pick up, not the BR.
Dynamic Animations such as juking to the left or right as you hit jump. [Maybe]
Graphics.
Coop.
Fun mode where you get to play as an ODST. [Maybe as an activated skull, or a custom setting.]
In Custom Games allow you to play as: Forerunners, Elites, Hunters, Etc.
Be able to use the War Sphinx in custom games.