Counter-Strike is a popular video game that modifies the multiplayer aspects of Half-Life, making it more team-oriented and providing players with an experience similar to what a real counter-terrorist or terrorist unit would go through. Players join either the Counter Terrorist team or the Terrorist team as they battle against each other in various mission scenarios. The goal of each round is to eliminate all opposing forces or complete objectives while also managing resources such as ammunition, money and health. With its fast pace and intense gameplay, Counter Strike has become one of the most popular online games today.

Quake is an intense first-person shooter video game from id Software. Players navigate through 32 single player levels and 6 deathmatch levels, all of which feature realistic sound effects and lighting effects to create a fully immersive experience. As they progress through the game, players can arm themselves with various weapons like nails, Thunderbolts, Rocket Launchers and Grenade Launchers in order to defeat enemies such as Ogres, Vores and Schamblers. Quake promises a thrilling gaming adventure that will have you fighting for your life every step of the way.

Counter-Strike: Source is a popular video game from Valve that uses the Source engine. It has recreated maps from Counter-Strike 1.6, such as Office, Havana, Italy, Aztec, Chateau and more with new textures and improved buildings and scenery. Objects in these levels react realistically to the physics engine of the Source engine. The game can be downloaded through Valve's Steam service with Half-Life 2 included in the package.

Shogo: Mobile Armor Division is a revolutionary video game developed by Monolith and powered by their LithTech engine. Players can choose from four different ultra powerful transforming Mobile Combat Armor (MCA) suits, each with its own advantages and strengths. Throughout the deadly outdoor, underground, and city missions you'll be able to find tons of powerups to enhance your MCA's performance as well as dock in certain areas and strike out on foot for objectives. You may even come across some surprises along the way!

Counter-Strike: Condition Zero (CS:CZ) is a tactical action video game that requires players to compete with and against AI opponents in mission-based campaigns located around the world. As leader of an elite counter-terrorist unit, players must complete over 20 new missions which include rescuing hostages, escorting VIPs to safety, and locating and defusing bombs. This game uses advanced technologies such as detailed models, atmospheric enhancements like snow or rain, and other dynamic special effects powered by an enriched Half-Life engine. CS:CZ advances the award-winning Counter Strike series by introducing single-player action and online play enhancements for more strategic gameplay.

In Painkiller, players take on the role of Daniel Garner, a seemingly ordinary man who has just died in a terrible car crash. Stranded in limbo between Heaven and Hell, he must uncover why he is denied access to Heaven while also fending off an army of demon soldiers as they attempt to bring about an unholy war. Players will battle through hordes of enemy forces as they try to figure out what it takes for Daniel Garner's spirit to be purified and gain entry into Heaven.

Blacklight: Retribution is a fast-paced, adrenaline pumping first person shooter set in a futuristic urban warzone. Developed by Zombie Studios, this game builds on their previous title Tango Down and provides FPS players with an extensive arsenal of weaponry and gear ranging from cutting-edge handguns to massive mechanized Hardsuits. Players are encouraged to customize their weapons and equipment for the best load out in order to gain credits in game which can be used to deploy powerful tools such as flame throwers, automatic grenade launchers, and even airstrikes.