Hold the CTRL key to stay crouched and you'll have no problem getting past it!
There's a door in the way!
The button doesn't leave it open for long!
Do you need to stay on the platform?
Help me with the door.
Create a portal near the button, press it, then create another portal on the walls it reveals. You can then step through your portal when the platform passes by.
There's a pellet in the way!
This one's extra energetic - it won't destroy itself!
Jumping over it isn't an option!
Help me out.
Create a portal somewhere high-up, and another on the wall next to the pellet. It should fly through harmlessly, letting you continue - just make sure you move your portals, or the pellet might fly back through and kill you.
Alternatively, you can create a portal at the other end of the corridor and stand inside it until the platform passes by.
There's a wall in the way!
It's a portal-friendly wall! Where can you put portals to save yourself?
Help!
Put one portal on the wall blocking your path, and the other on the wall directly to your left. When the platform passes underneath the wall, jump through the portal to land on top of it.
You can also stand inside the portal if the timing is proving difficult.
This is the low-spoiler guide for "Riding 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.
Hi! I have written video game guides since 2018. Any money I make here will go towards improving my equipment so I can make the things you enjoy even better (and faster!)