Winner of over 50 Game of the Year awards, Half-Life set new standards for action games when it was released in 1998. Half-Life: Source is a digitally remastered version of the critically acclaimed and best selling PC game, enhanced via Source technology to include physics simulation, enhanced effects, and more.

The Opera is a total conversion (TC) for Half-Life, created by the Redeemed Assasins. It's aim is to give the multi-player first person shooter genre a new lease of life, by moving the emphasis from the usual jump and strafe fests to style and accuracy. The Opera takes its inspiration from the kind of films pioneered by John Woo, collectively known as Hong Kong Blood Operas. In this vision, the emphasis is on how you kill, not just how many. If you've ever wanted to dive over the counter of a bar, twin Berettas in hand, if you've dreamt about somersaulting over your enemies head, before blowing them away with your shotgun, if you've longed for the ability to back-flip of walls and kick people through a plate-glass window, you should care. This TC is for people who prefer brains to brawn. Style to endless amounts of lead. Not just getting another frag, but looking good while you do it. IF you watched The Matrix, and thought, "I wish I could do that," you can now.

The Specialists, or TS, is a multiplayer action movie mod/total conversion for Valve's best selling first person shooter Half-Life. The Specialists team, started in 2002 by Morfeo and John_Matrix's direction created a mod for the great, famous and best-seller Half-Life, in which there are two primary objectives for the team to reach: Action movies' gameplay style but also credible realism, both for guns and their damages. Users will be able to choose if behave as an "action man" (use of light equipment, small caliber guns) taking advantage of their agility or behave as a "specialist" using large caliber weapons, which affect agility but improve firepower. It's also possible to close any encounter with an headshot, which is, almost in all cases, lethal...

Half-Life: Uplink is a free never-before-seen Half-Life mini-mission designed to give new players an experience that captures the essence of what makes Half-Life the Game of the Year, plus provide current Half-Life players with exciting, all-new content. Half-Life: Uplink is a free demo for Half-Life featuring three brand new maps. The demo takes place in areas of Black Mesa and allows the player to use a number of the weapons and fight a number of the enemies from the final game release.

The world is at an end, and you have 30 seconds to save it!