Call of Duty is a great game.

Personally I really liked all the Missions. The American and Soviet Campaigns were great and really had that war feeling.

The British Missions were far from bad in my view, they just focused on a different aspect of the War (British Commando Raids) and they are hard.

The Truck chase and Airfield escape were a nightmare for me, i died so many times I lost count My fave Mission for the Brits had to be holding that Bridge... I was running around everywhere blowing up tanks with Nazis comming in from all directions

Stalingrad was the high point, just like the beginning of Enemy at the Gates in a boat crossing the river comming under fire and when I get in line to get a weapon, I'm one of the unlucky sods who doesn't get a rifle (and then I have to run around drawing machine gun fire for some Sniper guy)

In short it is a totally awesome shooter, and is well worth a look.