New posts in portal

How do I activate a "God Mode" cheat in Portal?

Who is the big bad jellyfish?

How are Portal and "Black Mesa" related?

portal half-life-series

Easter Eggs in Portal/Portal 2 [closed]

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Is the free version of Portal identical to the paid version?

Does GLaDOS actually say "There Really Was a Cake"?

How to get across testchamber 18?

How Can I Reproduce GLaDOS' Voice Modulation Effect? [closed]

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What is the audio file in Portal that plays when a radio is destroyed?

What is this graffiti on the walls in Portal 1?

Portal: The First Slice Demo Glitch

The cake is not a lie? [duplicate]

What is the meaning of the end scene in Portal?

What is that ASCII Art From the Portal Credits

General strategy for limited steps Portal levels

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The soul orbs in Portal

How do I mod GLaDOS's voice in Portal 1?

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What does the "Portal funnel" option do?

How do I get the cake in Portal?

What's the difference between "closed captions" and "subtitles" in Portal?