Although Call of Duty uses a heavily redesigned Quake 3 engine, the performance on a GeForce FX 5900 was staggering. I'm no programmer, but I was happily surprised to finally experience a well coded game. I wish I could say that about Battlefield 1942 *sigh*. Even the FX 5600 Ultra didn't have much problems coping with a heavy load of polygons. The gameplay is very similar to that in MOH:AA, but it is much more exciting and intensive. The guys over at Infinity Ward concentrated more on a team based work rather than a single soldier fighting mode: