Halo 3 builds upon the concepts of Halo 2 in ways that you'd expect, but there are also new modes and options that send the series in exciting new directions.
Genre First-Person Shooters     Release date 2007

The sixth entry in the Call of Duty franchise, this next game brings back developer Infinity Ward as the general in command. Modern Warfare 2 is set several years after the conclusion of Call of Duty 4.
Genre First-Person Shooters     Release date 2009

The spectacular conclusion to one of the games industry’s most memorable and celebrated sagas, Gears of War 3, is poised to take the world by April 2011.
Genre First-Person Shooters     Release date 2011

The compilation contains five games, all powered by Valve's Source engine. Two of the games included, Half-Life 2 and its first expansion, Episode One, were previously released as separate products. Three new games are also contained within the compilation: the second expansion, Half-Life 2: Episode Two, the puzzle game Portal, and Team Fortress 2.
Genre First-Person Shooters     Release date 2007

Halo: Reach, is a prequel to Halo: Combat Evolved, taking place during Halo: The Fall of Reach and the beginning of Halo: First Strike when there are many Spartan-IIs still in action, though it is currently unknown how closely it will tie into the novels.
Genre First-Person Shooters     Release date 2010

Set in a modern day survival-horror universe, the co-operative gameplay of L4D casts four “Survivors” in an epic struggle against hordes of swarming zombies and terrifying “Boss Infected” mutants.
Genre First-Person Shooters     Release date 2009

The game's protagonist Jason Brody stages an attack on a shipbreaker yard where a bunch of bad guys happen to be. He isn't entirely alone, and he has help over the radio. As he makes his way through the yard, he guns down goons and blows up a bunch of things like the one man army that he is.
Genre First-Person Shooters     Release date 2012

The game starts right after the cliffhanger ending of Modern Warfare 2 with US forces struggling to cope with a surprise Russian attack. The player will travel the world in the single player campaign with plenty of intermediate roles as SAS operative, tank gunner and more.
Genre First-Person Shooters     Release date 2011

Halo 4 will be faster paced in contrast to previous titles, and is described as "more visceral and intense" while retaining the Halo flavor.
Genre First-Person Shooters     Release date 2012

Gears of War 2, the second installment of the Gears of War series, continues the story of Marcus Fenix and Delta Squad. Locked in an increasingly desperate battle against the nightmarish Locust Horde, Gears of War 2 is an epic saga of survival, loss and retribution.
Genre First-Person Shooters     Release date 2008

Deus Ex: HR is a prequel and set in the year 2027 (before the events of DX1). One day, the path of Jensen's life is unexpectedly changed as a team of Black-Ops commandos break into his company's headquarters and (using a security plan from Jensen's own hand) a mass slaughter ensues. From there on out, Jensen is caught up in a conspiracy that's going to see him struggling for his life.
Genre First-Person Shooters     Release date 2011

In Battlefield: Bad Company 2, the Bad Company crew again find themselves in the heart of the action, where they must use every weapon and vehicle at their disposal to survive. The action unfolds with unprecedented intensity, introducing a level of fervor to vehicular warfare never before experienced in a modern warfare action game.
Genre First-Person Shooters     Release date 2010

In Battlefield 3, players step into the role of the elite U.S. Marines. As the first boots on the ground, players will experience heart-pounding missions across diverse locations including Paris, Tehran and New York. As a U.S. Marine in the field, periods of tension and anticipation are punctuated by moments of complete chaos. As bullets whiz by, as walls crumble, as explosions force players to the ground, the battlefield feels more alive and interactive than ever before.
Genre First-Person Shooters     Release date 2011

The single-player campaign is over in a flash, but the high quality of that campaign and its terrific multiplayer options make Call of Duty 4 a fantastic package.
Genre First-Person Shooters     Release date 2007

Left 4 Dead 2 takes place at roughly the same time as the original, and leads four new “Survivors” through the southeastern United States — from Savannah, Georgia to New Orleans’ French Quarter. The title adds melee combat, new monsters and weapons, the AI Director 2.0, and more to create a larger game than the original.
Genre First-Person Shooters     Release date 2009