After dealing with the two turrets outside their room, you'll need to take out three more.
What do I do?
There's a safe room nearby; use the windows inside for a better look at the situation.
Do you see any blind spots?
Help me with the turret near the door.
Shoot a portal underneath this turret to quickly take him out of action.
Help me with the turret near the button.
Shoot a portal onto the 'X-marked' ceiling, then drop one of the many cubes (or fellow turrets) through it for another kill.
Help me with the turret in the alcove
Without its two friends, this one is defenceless. Charge at it while holding a cube to block the bullets and secure the button!
Guide help
This is the low-spoiler guide for "The turrets guarding the button" 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.
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