Why does it need to change? Halo was always nice because it was so simple. By making loadouts and having sprint and everything, its just making this series mainstream. Halo was one of the only games that didnt have sprint. You have to play more smart if you dont have it, you cant say "OH **** I NEED TO RUN". In halo 3 if you got into a dumb enough situation that you were going to die, you died. This series was such a nice change of pace. Now it sucks. BTW theres no way to argue with keeping jetpack in the game. It ruined map control and the use of rockets on a person.