Ranked:(idk if this should be classic halo or infinity style halo)
-Lone Wolves
-Team Slayer (4v4)
-Team Snipers(beam rifle or sniper rifle possibly fight over binary rifle on map)
-Team Swat(Battle Rifle and DMR)
-Team Doubles
-Team Objective(5v5)
-BTB(maybe)
Infinity:(the way halo 4 is set up now)
-Regicide
-Infinity Slayer
-Infinity Objective(i feel all these separate playlist spread out the community)
-BTB
-Slayer Pro
Classic:(No Sprint.Not AA. No Loadouts)(EVERYTHING BEFORE REACH)
-Team Slayer
-Team Objective
-Regular FFA
-Regular Infection(HALO 3 style)
Community
-Grifball
-Race
-MLG
-Action Sack
GAMEMODES THAT NEED TO BE ADDED
Assault
VIP
Race
Regular Infection, CTF, Grifball, Oddball etc.
Also i know alot of you tend to have lag in your matches i feel this could be fixed if they had a punishment for leaving(then people wouldnt quit as much midgame causing a new host to be selected) and getting rid of joining progress in session