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The double-button puzzle3 hints left
The activation hole is hidden behind two heavy button-activated doors.

Where are the buttons?

The platforms that get you into the button rooms are unbearably slow.

You definitely won't be able to press both buttons in time if you use them.

So what do I do?

You'll need to use portals to get into each room quickly. After that, it's just a matter of directing the pellet.

Remember to look for orange glows and scorch marks.

Not fast enough!

Try copying my portal placements, then making a manual save. If you don't direct the pellet in time, you can load the save to quickly get another attempt.


Guide help

This is the low-spoiler guide for "The double-button puzzle" 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 15"
Hints written by Kieron West
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