Counter-Strike 1.6/Source
Counter-Strike is a first-person shooter in which players join either the terrorist or counter-terrorist team (or become a spectator). Each team attempts to complete their mission objective and/or eliminate the opposing team.

World Of Warcraft
World of Warcraft, often referred to as WoW, is a massively multiplayer online role-playing game (MMORPG) by Blizzard Entertainment. With more than 11.5 million (December 2008) monthly subscriptions,World of Warcraft is currently the world's most-subscribed MMORPG and holds the Guinness World Record for the most popular MMORPG by subscribers. In April 2008, World of Warcraft was estimated to hold 62 percent of the massively multiplayer online game (MMOG) subscription market.

Crysis
Crysis is a science fiction first-person shooter video game developed by Crytek Frankfurt, published by Electronic Arts for Microsoft Windows, and released in November 2007. It is the first game of a trilogy. A separate game entitled Crysis Warhead was released on September 12, 2008 and follows similar events as Crysis but from a different narrative perspective. Crysis, Crysis Warhead and a multiplayer expansion called Crysis Wars were re-released as a compilation pack titled Crysis Maximum Edition on 5 May, 2009.

Team Fortress 2
Team Fortress 2 is focused around two opposing teams competing for an objective. These teams, Reliable Excavation & Demolition (RED) and Builders League United (BLU), are meant to represent two holding corporations that between them secretly control every government on the planet.

Unreal Tournament 2004

Unreal Tournament 2004, also known as UT2K4 and UT2004, is a futuristic first-person shooter computer game developed by Epic Games and Digital Extremes. It is part of the Unreal series of games and is the sequel to 2002's Unreal Tournament 2003 and the original Unreal Tournament.

Among significant changes to gameplay mechanics and visual presentation, one of the major additions introduced by Unreal Tournament 2004 is the inclusion of vehicles and the Onslaught game type, allowing for large-scale battles.

League Of Legends

League of Legends (previously known as League of Legends: Clash of Fates) is a game based on the Defense of the Ancients map for Warcraft III: The Frozen Throne developed and published by Riot Games for Microsoft Windows. It was first announced on October 7, 2008 and released on October 27, 2009. The game was in a closed beta from April 10, 2009 to October 22, 2009. It then transitioned to open beta until release.