* The Half-Life franchise of video games uses an encircled block style lower-case lambda as the franchise logo ( Half-Life 2 adds the numeral 2 into the logo as superscript ), prominently featured on the chest of the protagonist's powered armor.

In a recent interview with PC Magazine, Valve CEO and co-founder Gabe Newell said that they wanted to make a Half-Life feature film themselves, rather than hand it off to a big-name director like Sam Raimi, and that their recent Team Fortress 2 " Meet The Team " machinima shorts were experiments in doing just that.

In some cases, some game companies may provide such software ; examples include Epic Games ' Impersonator for Unreal Tournament 2004 and Valve Corporation's FacePoser for Half-Life 2.

* Half-Life 2 takes place between May 15, 202X and May 30, 202X.

* In Half-Life 2, Gordon Freeman is armed with a device called the " Zero-Point Energy Field Manipulator " or simply the " Gravity Gun ", which can pick up, throw, and " punt " heavy or sharp objects with little or no physical effort.

* A similar gun to the one in Half-Life 2, called the " Uplink ", appears in TimeSplitters: Future Perfect, available to the player beginning with the second mission.

* In the video game Portal, yet another similar gun to Half-Life 2 < nowiki >'</ nowiki > s, which is titled the " Aperture Science Handheld Portal Device ", can create a weaker zero-point energy field by simply lifting objects and carrying them, but cannot throw or pull in from a distance.

* The Half-Life 2 mod " Dystopia " takes place in 2069.

* A Combine headquarters, in the game Half-Life 2, on Earth's City 17

* Half-Life 2: Episode Three, an upcoming computer game sequel.

* Strider, a type of Combine machine / bio-engineered enemy from Half-Life 2 video games

The beginning of Half-Life 2 reveals an Earth that was invaded and overrun by a hostile alien empire, the Combine, via a portal.

* The computer game Half-Life 2 takes place in and around City 17.

* Fan-remake projects for UFO: Enemy Unknown include X-com-Last Hope ( a mod of Half-Life 2 released in 2006 ), UFO: The Two Sides ( development halted in 2011 due to copyright issues ), UFO: Cydonia's Fall ( canceled in 2012 ), X-COM: Origin ( ongoing ) and The Rebel Squad project by Sam Liu.

* Nuclear Dawn, a mod for the game Half-Life 2

* Half-Life 2: Episode One, a 2006 computer game sequel

* Source ( game engine ), a proprietary game engine developed by Valve Software for Half-Life 2

After he saw the game Half-Life 2 at E3 in 2003, he felt that its physics engine was the one he needed.

* Odessa Cubbage, a minor character in the game Half-Life 2

* Combine ( Half-Life ), an alien regime from the video game Half-Life 2

On March 24, 1999, Planet Half-Life opened its Counter-Strike section.

Half-Life: Counter-Strike, a mod of Half-Life ( 1998 ), was the most popular multiplayer game of its era.

An example of this is the game Counter-strike, which began as a mod of the video game Half-Life and eventually became a published game in its own right that was very successful.

* A map for role-playing plug-in for the widely popular Half-Life modification The Specialists, named by the creators of the Havoc9 Gaming Network as Xenon City takes place in the years 2346 to its destruction that takes place 70 years later.

CTF is also a popular mode in the Team Fortress mod for Quake, its remake Team Fortress Classic for Half-Life, and the standalone Team Fortress 2.

Like its predecessor, Half-Life 2 was met with near-unanimous critical acclaim.

Half-Life 2, like its predecessor Half-Life, is a singleplayer first-person shooter broken into chapters, permanently casting the player as Gordon Freeman.

He also supplied the voice for Eli Vance in the 2004 video game Half-Life 2 and its subsequent sequels.

Image-based rendering technology had been in development for Half-Life 2 but was cut from the engine before its release.

The interface of Valve's Hammer Editor, the SDK's world-creation tool, has not changed significantly since its initial release for GoldSrc and the original Half-Life in 1998.

In its sequel, Half-Life 2, Gordon is introduced to a dystopian world years after the Black Mesa incident, along with an interdimensional alien overlord force known as the Combine, which took advantage of the interdimensional portals and has established itself as the ruling force on Earth.

Barney Calhoun wryly notes this irony at the beginning of Half-Life 2, when Freeman performs similar " technical " assistance by flipping a switch and returning a plug to its socket.

Although writing that the game " feels like just a few more levels for the original game ", he noted that this is what Blue Shift was designed to be, given its origins as an add-on for a Dreamcast version of Half-Life.

As well as supporting its own file-format, Milkshape 3D is able to export to morph target animation like the ones in the Quake model formats or to export to skeletal animations like Half-Life, Genesis3D, Unreal, etc.

After its shutdown, users who tried to connect to WON in games such as the retail version of Half-Life would receive an error message, for example, claiming that the game client is out of date.

Some praised Tactical Ops for its improved graphics, due mainly to the superiority of the Unreal engine over the aging Goldsrc engine used for Half-Life.

Later, they gave it to Gearbox Software, the developers of the Half-Life expansion packs, so that Valve could focus on the development rival Team Fortress 2 and its new engine.

Since its release, the vast majority of Half-Life plugins have been changed to run on Metamod.

They are regularly encountered throughout Half-Life 2 and its episodic expansions as hostile non-player characters as the player progresses through the games in an effort to overthrow the Combine occupation of Earth.

Opera singer and actress Ellen McLain provides the voice for the Combine Overwatch announcer in Half-Life 2 and its episodic expansions, while the various Combine soldiers throughout the games are voiced by John Patrick Lowrie.

The most commonly encountered enemies throughout Half-Life 2 and its expansions are the transhuman Overwatch soldiers and human Civil Protection officers.