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Activating the platform4 hints left
Our old friends Pellet & Activation Hole have returned!

What do I do?

The activation hole is on the ceiling. Can you get the pellet up there?

The pellet tends to bounce at crazy angles when hitting a slanted panel.

Hmm...

The slanted panels are both portal-friendly; try putting one on each side.
The pellet will just bounce back through the portal. Can you stop it from doing that?
Move the portal before the pellet bounces back through it; this will make it bounce up towards the activation hole and get the platform moving.

Guide help

This is the low-spoiler guide for "Activating the platform" 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 19"
Hints written by Kieron West
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