Portal: Prelude, as its name states it, is an unofficial prequel to the game Portal. Its story revolves around the pre-GlaDOS epoch, even before she was plugged in. At this time, test subjects were monitored by real Aperture Science employees, whose work was tedious, lengthy and repetitive. This is why they decided to build a great artificial intelligence that could both replace them in these difficult tasks, and also take responsibility for many other tasks within the complex and compete with Black Mesa's superiority. All employees of the Aperture Science complex are now eagerly awaiting GlaDOS. Maybe even a little too eagerly, as the upcoming events will tell... This game is totally free. It offers a bit more gameplay hours than the original Portal, with 8 chapters, 19 test chambers, 48 challenges, 6 advanced maps, a brand new storyline and more than 400 lines of english speech with dozens of subtitles translations.

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RSS Report Portal: Prelude Official Trailer
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ammd
ammd

nice

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ihisa
ihisa

Grat choise of music :D

Linkin Park - Session
if some one dont know xD

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elitemushromretainr
elitemushromretainr

It was a great trailer for a mod, hope to play it soon!

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Akujin
Akujin

What's the name of the Software used to edit the clip?

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Centaur1um
Centaur1um

i believe its sony vegas 8

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cW#Ravenblood

mod of the year
vote for it

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123freezo
123freezo

great mod, BUT TOO <censored> HARD!!!!

(though it should be mod of the year)

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123freezo
123freezo

Just beat the end with cheats. It was so damn awesome!

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Afnopo
Afnopo

Too much video stress effects and I have heard that song a trillion times before, but pretty good.

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HammerFalls
HammerFalls

sweet.

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Jack5500
Jack5500

defently mroe advanced than portal itself

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Leadershinji
Leadershinji

Nice work!
Done with Sony Vegas ?
The effects reminds me of it...

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AmaroqDricaldari
AmaroqDricaldari

It's too bad that they don't want to remake it.

I asked them if they wanted to remake it on the Portal 2 Engine, and the person in charge of the project said that he was officially done with everything related to it and wouldn't be doing any more.

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coke_portal09
coke_portal09

jl,uy7uftygn;b

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coke_portal09
coke_portal09

portal

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vazulio95
vazulio95

I think, the Portal Prelude is better than portal :D

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HydroH2O
HydroH2O

Linkin Park- Session This song is awesome.

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Description

The official trailer of Portal: Prelude, the upcoming unofficial prequel to the game Portal.

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NykO18
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