Half-Life demonstrations

{{DISPLAYTITLE''Half-Life'' demonstrations}}
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This article lists all demonstrations, trailers, gameplay videos, and interviews with the developers released during ''Half-Life'''s development. They were showcased to promote the game at events, through cover discs of video game magazines, and on the Internet. The videos can be also found in the media disc ''Half-Life Preliminary Findings'' (the contents of the disc were included in the other games published by Sierra Entertainment), and WikipediaPress kit|digital press kits.

==valve.avi FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/UUI5mOohR6E==
'''valve.avi''' is the first known trailer for ''Half-Life'' from early 1997. It can be found on the disc of ''Half-Life'' Alpha. The video shows parts of ''Communications Center'', ''Office Complex'', and early parts of ''On A Rail''. According to Gabe Newell, the video was done in WikipediaSlow motion|slow motion to show people how smooth the WikipediaSkeletal animation|skeletal animation system is. The video has ''Adrenaline Horror'' from the Half-Life soundtrack|soundtrack playing in the background.


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==8.17mpeg.avi FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/PU5mSUN8HF4==

'''8.17mpeg.avi''' (named after its file size) is another trailer found on the disc of ''Half-Life'' Alpha. The video shows parts of ''The Portal Device'', ''Office Complex'', ''Communications Center'', and several areas from technology demos. The video has ''Adrenaline Horror'' from the soundtrack playing in the background.


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==grunts1.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/vw2ULIMiCKA and grunts2.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/8JBwk1arvjk==
'''grunts1.mpg''' and '''grunts2.mpg''', also known as '''gunfight.mpg''' and '''enemy.mpg''', and given the titles '''''Gunfight''''' and '''''Enemy Hit''''' in ''Half-Life Preliminary Findings'', are two short clips from the WikipediaElectronic Entertainment Expo|E3 1997 demonstration of ''Half-Life''. The videos show the use of squad based WikipediaArtificial Intelligence|artificial intelligence by the Hazardous Environment Combat Unit|soldiers in a warehouse location{{abbr3|i|silodemo in Half-Life Alpha.}}.http//www.valvesoftware.com/hocopus/halflife.htm Wedge and Choryoth's page on Valve's official website (July 9, 1997)


FileGrunts1 video.png
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==turret.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/hpOnxBJMgRg==
'''turret.mpg''', also given the title '''''Turret Action''''' in ''Half-Life Preliminary Findings'', is a short clip showing the player getting shot by a large Automatic Turret guarding the elevator{{abbr3|i|c1a3a in Half-Life Alpha.}} to the surface in the chapter ''The Security Complex''. The video has no sound.


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==marc.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/qwKmogDzOCY==
'''marc.mpg''' is an interview with Marc Laidlaw from ''Half-Life Preliminary Findings''. In the interview, Marc talks about scripted sequences and how these events change in every new play through in the video. The video has ''Military Precision '' from the soundtrack from the soundtrack playing in the background.


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==ken.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/FerAlK9GRSY==
'''ken.mpg''' is an interview with Ken Birdwell from ''Half-Life Preliminary Findings''. In the interview, Ken talks about their WikipediaSkeletal animation|skeletal animation system and its advantage over other type of animations. The video has ''Drums and Riffs'' from the sountrack from the soundtrack playing in the background.


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==kelly.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/mxVzyIkQtQA==
'''kelly.mpg''' is an interview with Kelly Bailey from ''Half-Life Preliminary Findings''. The video has ''Nepal Monastery'' from the soundtrack playing in the background.


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==jay.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/05tAjTpMoPM==
'''jay.mpg''' is an interview with Jay Stelly from ''Half-Life Preliminary Findings''. The video has ''Military Precision'' from the soundtrack playing in the background.


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==intro.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/rmWce02xLbs==
'''intro.mpg''' is the introduction video to ''Half-Life Preliminary Findings''. The video has ''Adrenaline Horror'' from the soundtrack playing in the background.


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==headcrab.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/_aJbm60y1us==
'''headcrab.mpg''', also given the title '''''Headcrab Attack''''' in ''Half-Life Preliminary Findings'', is a short clip showing the player getting killed by Headcrabs in the chapter ''Office Complex''. The video has no sound.


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==headcrab.avi (not available)==
'''headcrab.avi''' is a short clip showing the model of the Headcrab. It was released on Online Gaming Review's Monster of the Week feature.{{IA|19980208040045/http//ogr.com/specials/monsters/halflife_monsters.shtml|''Half-Life'' Monster of the Week Feature|Online Gaming Review (1997)}}

==indeep.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/-5hGB_JRs8s==
'''indeep.mpg''', also given the title '''''In Deep''''' in ''Half-Life Preliminary Findings'', is a long gameplay video. The video has an alternate version of ''Diabolical Adrenaline Guitar'' (which can be found in ''Half-Life'' Alpha) from the soundtrack playing in the background.


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==grunt.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/s1JupoC4-EI==
'''grunt.mpg''', also known as '''explode.mpg''', and given the title '''''Exploding Boxes''''' in ''Half-Life Preliminary Findings'', is a short clip showing the player using a Submachine Gun to kill a grunt in the chapter ''Office Complex''. The video has no sound.


FileGrunts video01.png
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==exit.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/lp8DjjzEDG8==
'''exit.mpg''' is the outro video to ''Half-Life Preliminary Findings''. The video shows parts of ''Office Complex'', ''The Security Complex'', and a technology demo. The video has ''Adrenaline Horror'' from the soundtrack playing in the background.


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==alien_slave.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/mxVzyIkQtQA==
'''alien_slave.mpg''' is a short clip showing a Vortigaunt getting killed by an Automatic Turret in an unknown location.


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==alienslave.avi (not available)==
'''alienslave.avi''' is a short clip showing the model of the Vortigaunt. It was released on Online Gaming Review's Monster of the Week feature.

==alieng.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/s1JupoC4-EI==
'''alieng.mpg''' is a short clip showing an Alien Grunt patrolling an area{{abbr3|i|c3a2 in Half-Life Alpha.}} in the chapter ''Reactor Lab''. The video has no sound.


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==alieng.avi (not available)==
'''alieng.avi''' is a short clip showing the model of the Alien Grunt. It was released on Online Gaming Review's Monster of the Week feature.


FileAgrunt early model.jpg


==barnacle.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/W90QncBwtr4==
'''barnacle.mpg''' is a short clip showing a security guard getting killed by a Barnacle in a location{{abbr3|i|c2a4a in Half-Life Alpha.}} in the chapter ''Alien Research Lab''.


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==barnacle.avi (not available)==
'''barnacle.avi''' is a short clip showing the model of the Barnacle. It was released on Online Gaming Review's Monster of the Week feature.

==gruntfight.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/lfC1GnQlIlM==
'''gruntfight.mpg''' is a gameplay video showing the player fighting against a group of soldiers in a location{{abbr3|i|c2a2g in the final game.}} in the chapter ''On A Rail''. The video has an alternate version of ''Diabolical Adrenaline Guitar'' (which can be found in ''Half-Life'' Alpha) from the soundtrack playing in the background.


FileGruntfight video01.png
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==houndeye.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/s1JupoC4-EI==
'''houndeye.mpg''' is a short clip showing a group of Houndeyes charging up before their sonic attack in a location{{abbr3|i|c1a3a in Half-Life Alpha.}} in the chapter ''The Security Complex''. It was released on Online Gaming Review's Monster of the Week feature. The video has no sound.


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==he360.avi (not available)==
'''he360.avi''' is a short clip showing the model of Houndeye. It was released on Online Gaming Review's Monster of the Week feature.


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==hl-tentacle.mpeg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/_ucyTSp8edY==
'''hl-tentacle.mpeg''' is a short video showing a scripted scene where a scientist is getting grabbed by a Tentacle in the control room of the silo{{abbr3|i|c1a4i in the final game.}} in the chapter ''Blast Pit''.


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==tentacle.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/jr4QpHdn8DE==
'''tentacle.mpg''' is a short clip showing the Tentacle rising up in the silo. It was released on Online Gaming Review's Monster of the Week feature.


FileTentacle ogr01.png


==tentacle.avi FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/-GeQfqyRT-g==
'''tentacle.avi''' is a short clip showing the model of the Tentacle. It was released on Online Gaming Review's Monster of the Week feature.


FileTentacle ogr02.png


==bullchickn.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/liaoOIVPSxE==
'''bullchickn.mpg''' is a short clip showing a Bullsquid in a location{{abbr3|i|c1a3a in Half-Life Alpha.}} in the chapter ''The Security Complex''. It was released on Online Gaming Review's Monster of the Week feature.


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==bullchicken360.avi FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/VGUyEBUAHqM==
'''bullchicken360.avi''' is a short clip showing the model of the Bullsquid. It was released on Online Gaming Review's Monster of the Week feature.


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==train.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/jMTO5xO1jf4==
'''train.mpg''' (also known as '''hl-train.mpeg''') is a short video showing the player using a freight train in a location{{abbr3|i|c2a2f in the final game.}} in the chapter ''On A Rail''. The unused alien enemy, Stukabat, can be seen and heard in the video.


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==offices.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/a0vPeVWdLcw==
'''offices.mpg''' (also known as '''hl-offices.mpeg''') is a gameplay video from the E3 1998 demonstration of ''Half-Life''. The full video shows a walkthrough of the chapter ''Office Complex''. The scripted sequences from the demo can still be found in the maps. The characters were voiced by Marc Laidlaw in the video. The security guard is based on Ted Backman.
The video has ''Hurricane Strings'' from the soundtrack playing in the background.


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==sewer.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/WYGmYACwmEA==
'''sewer.mpg''' is a short video showing a scientist falling down to his death in one of the sewer locations{{abbr3|i|c1a1c in the final game.}} in the chapter ''Unforeseen Consequences''. The video has ''Vague Voices'' from the soundtrack playing in the background.


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==half.avi FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/A1ubra2hI-8==
'''half.avi''' is a short clip showing the player falling down to a room (with no exit) by walking on a wet floor, and get hit by a group of Headcrabs in a location{{abbr3|i|c1a2b in Half-Life Alpha.}} in the chapter ''Office Complex''. The video has ''Adrenaline Horror'' from the soundtrack playing in the background.


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==half2.avi FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/GWqNkOMyKAA==
'''half2.avi''' is a short clip showing the player fighting against a group of soldiers in a storage room{{abbr3|i|c2a4 in Half-Life Alpha.}} in the chapter ''Alien Research Lab''. The player spray-paints the lambda logo on floor at the end of the video. The video has an alternate version of ''Diabolical Adrenaline Guitar'' (which can be found in ''Half-Life'' Alpha) from the soundtrack playing in the background.


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==half3.avi FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/Z2V4lfdFSvc==
'''half3.avi''' is a short clip showing the player exploring a laboratory{{abbr3|i|c2a4b in Half-Life Alpha.}} where Alien Grunts being held in containment chambers in the chapter ''Alien Research Lab''. The video has ''Space Ocean'' from the soundtrack playing in the background.


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==portal.mpg FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/moWfNWbhYGs==
'''portal.mpg''' is a short clip. It appear to be a demonstration of particle effects.


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==halflife.avi==
'''halflife.avi''' is a combination of '''intro.mpg''' and '''offices.mpg'''.


FileIntro video01.png
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FileOffices video01.png
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==gordon.avi FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/OL_iTp8sg0w and gina.avi FileYouTube favicon.png|Click here to watch the video.|link=http//youtu.be/ihNwIe2v5jA==
'''gordon.avi''' and '''gina.avi''' are two shorts clips showing the models of Gordon Freeman and Gina. They can be found in ''Half-Life Day One''. The videos have no sound.


FileGordon video.png
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==See also==
*Half-Life 2 demonstrations|''Half-Life 2'' demonstrations
*Half-Life Alpha|''Half-Life'' Alpha

==References==
{{Reflist}}

{{Games}}
CategoryPre-release material
CategoryGames
CategoryTechnology demos
CategoryLists
CategoryHalf-Life
CategoryHalf-Life (pre-release)