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  2. Half-Life (series) - Wikipedia

    en.wikipedia.org/wiki/Half-Life_(series)

    Latest release. Half-Life: Alyx. March 23, 2020. Half-Life is a series of first-person shooter (FPS) games created by Valve. The games combine shooting combat, puzzles and storytelling. The original Half-Life, Valve's first product, was released in 1998 for Windows to critical and commercial success. Players control Gordon Freeman, a scientist ...

  3. The Orange Box - Wikipedia

    en.wikipedia.org/wiki/The_Orange_Box

    AU: December 20, 2007. Genre (s) Various. Mode (s) Single player, multiplayer. The Orange Box is a video game compilation containing five games developed and published by Valve. Two of the games included, Half-Life 2 and its first stand-alone expansion, Episode One; had previously been released as separate products.

  4. Half-Life: Opposing Force - Wikipedia

    en.wikipedia.org/wiki/Half-Life:_Opposing_Force

    Half-Life: Opposing Force is an expansion pack for the first-person shooter game Half-Life. It was developed by Gearbox Software and published by Sierra On-Line for Windows on November 19, 1999. Opposing Force was the first expansion for Half-Life and was announced in April 1999. Lead designer Randy Pitchford noted that he believed Gearbox was ...

  5. Half-Life (video game) - Wikipedia

    en.wikipedia.org/wiki/Half-Life_(video_game)

    Half-Life (video game) Half-Life. (video game) Half-Life is a 1998 first-person shooter game developed by Valve Corporation and published by Sierra Studios for Windows. It was Valve's debut product and the first game in the Half-Life series. The player assumes the role of Gordon Freeman, a scientist who must escape from the Black Mesa Research ...

  6. List of radioactive nuclides by half-life - Wikipedia

    en.wikipedia.org/wiki/List_of_radioactive...

    Radioactive isotope table "lists ALL radioactive nuclei with a half-life greater than 1000 years", incorporated in the list above. The NUBASE2020 evaluation of nuclear physics properties F.G. Kondev et al. 2021 Chinese Phys. C 45 030001. The PDF of this article lists the half-lives of all known radioactives nuclides.

  7. Brat Pack - Wikipedia

    en.wikipedia.org/wiki/Brat_Pack

    The Brat Pack is a nickname given to a group of young actors who frequently appeared together in teen-oriented coming-of-age films in the 1980s. The term "Brat Pack", a play on the Rat Pack from the 1950s and 1960s, was first popularized in a 1985 New York magazine cover story, which described a group of highly successful film stars in their ...

  8. Source (game engine) - Wikipedia

    en.wikipedia.org/wiki/Source_(game_engine)

    Source is a 3D game engine developed by Valve. It debuted as the successor to GoldSrc in 2004 with the releases of Half-Life: Source, Counter-Strike: Source, and Half-Life 2. It is most well-known for its usage by Valve, but the engine has been used both by small teams and individuals to create modifications of Valve games, [1] and other ...

  9. Half-life - Wikipedia

    en.wikipedia.org/wiki/Half-life

    Half-life (symbol t½) is the time required for a quantity (of substance) to reduce to half of its initial value. The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo radioactive decay or how long stable atoms survive. The term is also used more generally to characterize any type of exponential (or, rarely ...