Uploaded April 2017 | Updated September 2026, 2 weeks ago
Run without commentary: youtube.com/watch?v=31EICtrbmI0
Some incorrect things I said:
- Occasionally I said an incorrect word but hopefully you can figure out the meaning from the context.
- I also made a small mistake in chamber 17, at the end the order that I shoot the last two portals doesn't matter. I have collision with the elevator until both the portals are placed.
- I forgot to explain camera fly in 18 in detail, but in reality there isn't really much to explain, there's just a weird spot in the camera that gives you boosts upwards because of weird physics related stuff.
- The camera detaching line in 18 is the 4th one and not the 3rd one. I missed the 2nd line in 16 while I was making this video.
Run without commentary: youtube.com/watch?v=31EICtrbmI0
Some incorrect things I said:
- Occasionally I said an incorrect word but hopefully you can figure out the meaning from the context.
- I also made a small mistake in chamber 17, at the end the order that I shoot the last two portals doesn't matter. I have collision with the elevator until both the portals are placed.
- I forgot to explain camera fly in 18 in detail, but in reality there isn't really much to explain, there's just a weird spot in the camera that gives you boosts upwards because of weird physics related stuff.
- The camera detaching line in 18 is the 4th one and not the 3rd one. I missed the 2nd line in 16 while I was making this video.










