Call of Duty: Modern Warfare 2 is an extremely questionable game catering to the war fantasies of American hawks. I played the fully German version and having to make sense of a war scene where people are shouting stuff at you in German only adds to the weirdness.
Every time you die also you get quotes about war and peace by such notables as Cheney, Rumsfeld and Gandhi. I have no idea what the people who made this game were even thinking.
In the German (and Japanese) version also the “No Russian” mission is weird. You’re in a terrorist group that is massacring a Russian airport but any time you hurt a civilian the mission restarts. It turns out that this is something region specific.
For the rest it’s just a bunch of shooting around the world with a questionable (and increasingly incoherent) neo-terrorist plot straight from a Steven Seagal movie.