Competitive

America's Army is a tactical multiplayer first-person shooter owned by the United States Government and released as a global public relations initiative to help with U.S. Army recruitment. America's Army is relatively authentic in terms of visual and acoustic representation of combat, especially pertaining to its depictions of firearm usage and mechanics, but its critics have alleged that it fails to convey wartime conditions as accurately as it claims. The game is a medium-paced tactical shooter, similar to the Tom Clancy series of shooters.

Age of Mythology is an RTS set within the major historical mythologies - Greek, Roman, Egyptian. It is in the same play style as Age of Empires II, and with good reason. AOM is from the same developer, and same "series" as AOE2.
From Ensemble Studios, the creators of Age of Empires and Age of Kings, comes Age of Mythology, a game that transports players to a time when heroes did battle with monsters of legend and the gods intervened in the affairs of mortal men.

SWAT 4 and its expansion, The Stetchkov Syndicate, are tactical FPSes in the Rainbow Six-inspired CQB area. It features a campaign mode, quick mission maker, randomly placed enemies/friendlies, and an Internet or LAN online mode.

The Club is a unique shooter from Bizarre Creations and Sega which is almost entirely score-based and competitive with leaderboard support.

Gears of War (GoW) is a third-person shooter video game developed by Epic Games and published by Microsoft Game Studios. It was initially released as an exclusive title for the Xbox 360 in November 2006 in North America, Australia, and most of Europe and included a "Limited Collector's Edition" with added content and an art book titled Destroyed Beauty that detailed much of the game's back-story.

Latest installment of the saga Unreal Tournament, probably the best fast-paced online shooter around.

Developed by TimeGate Studios, F.E.A.R. Perseus Mandate is a standalone expansion based in the F.E.A.R. universe.Players follow the exploits of a second F.E.A.R. team as they battle to help control the Armacham "incident". The timeline for this game runs parallel to the original F.E.A.R. and the first expansion, F.E.A.R. Extraction Point.New weapons have been added to your arsenal including the weapons from the first expansion. Some nasty new enemies have also been added to make your life miserable.Gameplay is the same as the original F.E.A.R.

Call of Duty 4: Modern Warfare is the latest iteration of the hugely successful "Call Of Duty" series made by Infinity Ward and published by Activision.

Hyped to be one of the greatest games of the year, Call of Duty 4: Modern Warfare is the latest iteration of the hugely successful "Call Of Duty" series made by Infinity Ward and published by Activision. Until now, the games have taken place in a World War II setting, but Modern Warfare brings the gameplay forward to the 21st Century with realistic weapons, armour and tactics.

Splinter Cell: Pandora Tomorrow is a third-person action-adventure set in Tom Clancy's world of Splinter Cell. The game follows the exploits of covert operative Sam Fisher, who utilizes stealth and impressive gadgetry to dispose of his enemies and accomplish his objectives. CS:PT is the second game in the series.