Halo 4 Ideas
Weapon Ideas: You get to make your own gun
Vehicles Idea's: Put all Halo wars vehicles and to be drivable and maybe even boats also make your vehicles and customize it.
Forge Ideas: Add drop pods, Bigger maps,make rivers or lakes,make trees,make underground tunnels,new monito, unlimited money and objects.
Appearance: Lots of New armor, helmets, armor effects, more visor colers, night vision, Light attachments.
Multiplayer: you could swim, use knifes ,sacrifice yourself using gernades, be different types of charecters, use two guns, change elite armour, new abelities, Dodge moves make your own firefight ,