Levels=Snow levels,desert levels,Jungle levels,City levels, farm levels, good sniping levels, beach levels.
Levels 4 story mode = A snow level where you have to storm a Building with your squad, or a beach level where you where your a Navy Seal and you storm the beach with you little rubber motor boat night and you get to wear night vision, maybe a level like in Black hawk down...like u could go and save the pilot....and your copter gets shot down after you rope down...and you would fight the rebel somalians,...maybe a level where you have to snipe a general guy but it would be in africa or china,...maybe be able to fly a helicopter...or maybe if you could be a medic and save people.....or maybe invade korea and take their nuke facility
Online Maps= a snow level witch has like a forest and a tower to snipe......maybe a building with glass that is fogged up to make it more realistic....a tropical map that you can hide in huts and if u get 7 kills..u side with natives.. the natives try to kill your opponent with spears or knives....or u get transported from one side of the map with a chopper and you can shoot down on people while yur in it. also Humvees with guns on top, and 4 places to fire from so 4 people can be in 1 humvee...a tank like in world at war.....and if when you get shot u can call a medic & that shouldd be a perk....and make guns have more than one {add on} like a grenade launcher,silencer, and a red dot.....and be able to put a sniping scope on a m1 Carbine or any gun
Online features= There shuud ba a (create your character) where you can edit the face, and clothing, add goggles,armour but it slows u down, definetly a rag on yur head..or a helmet..beret...or those cool lookin SAS oufits in the ship level in cod4...maybe you could put your clan nameon the back of the character like those FBI jackets..there should always be overkill so u can have two weopens all the time and a pistol....martydom shuud be where you would have to have a nade with in oreder to drop it...
Guns