The second half of 2004 will see two of the mostly hotly anticipated games in history dueling it out with each other for supremacy in the world of first-person shooters. The original Doom was not the first 3D shooter to hit the market, but its astonishing graphics and game play quickly captivated gamers, opening up the market for the many, many similar games that followed. Many now-adults can remember with fondness the first time they saw Doom in action as a youngster. Enthusiasts have been drooling at the screenshots for over a year, so ID has some tough work to meet up with the gaming community's expectations. Let's see how they do.