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The first activation hole3 hints left
You've made it past the dreaded pellets, but this new room seems to require one of them.

What do I do?

Remember chamber 15? Pellets that go through 'angled' panels tend to bounce off them at an angle.

How does that help me?

The panels opposite this activation hole are angled.

Help me out.

Create one portal on the angled panels opposite the activation hole, then put another at the end of the pellet corridor. It will bounce off the ceiling, then activate the first of three moving platforms.

Guide help

This is the low-spoiler guide for "The first activation hole" puzzle in Portal. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.

Up to "Test Chamber 17"
Hints written by Kieron West
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