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Valve, the same maker of Left 4 Dead.

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Q: Who invented portal 1 and 2?
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Related questions

How long does it take to beat portal 2?

it took me about 9 hours, but i have played portal 1.


Is there been a portal gun invented?

No


Why is wheatley trying to destroying you in portal 2?

he goes crazy, alot like GLaDOS in portal 1


Where are the 3 alchemy bomb recipes song of dreams house of Anubis?

1. Dreamworld 2, Portal 2, in left, in left. 2. Dreamworld 2, Portal 1, forward, forward, forward (Silver Key) and go to the end. 3. Dreamworld 2, Portal 1, forward, forward, in right, in right, in right. Sorry for my English, I'm Polish :)


How did Cave Johnson from Portal 1 and Portal 2 die?

His butt got hurt because he didn't marry Chell


Who invented the cps parent portal?

Nick Botnas


Did they invented the portal gun?

They don't make it(yet).


Can you download portal 1 and portal 2 on your i pod touch?

Unfortunately, no. Although you can download apps that give you walkthroughs, tips, etc.


What are the release dates for Aperture RandD - 2013 Portal Gun Enhancements 1-2?

Aperture RandD - 2013 Portal Gun Enhancements 1-2 was released on: USA: 22 March 2013


How many awards does portal 2 have?

for ps3 portal 2 has 51 trophies 0 secret, 42 bronze, 5 silver, 3 gold, and 1 platinum


How do I install Portal or Portal 2 mods on Steam?

Portal or Portal 2 mods on Steam is installed by first Downloading it and extracting it. Then copy the map file into your Portal 2 maps folder which is Run the game.


Why can GLaDOS move in Portal 2 and yet in Portal 1 she only can look down?

In Portal 1 people say that Caroline hasn't had her mind put in but she kills everyone in the facility (Aperture Laboratories) so it is not that. So can you figure it out?