The game uses math for when you get killstreaks. You have to count how many kills you got to see how many more you need for the reward. The is math in a way of algebra.
The amount of kills you get and leveling up use math for the exp.
Modern warfare reflex and modern warfare are the same. Modern warfare "reflex" means that its for wii. If its just modern warfare its for the other consoles
Yes. Just use duct-tape
Modern Warfare 2 is available on the following platforms: PC, Xbox 360, and PlayStation 3
Yes, a keyboard is necessary to play Modern Warfare 2 on PC, however you cannot use a keyboard to play Modern Warfare 2 on PlayStation 3 nor Xbox 360.
Modern warfare 2
modern warfare 2 is better .
Modern Warfare 2
Yes.
modern warfare 2
Call of Duty Modern Warfare 2
Modern warfare 1 or 2?
No it is called Modern Warfare Reflex which basically regular Modern Warfare