Use the same cubes, edgeless or otherwise, to solve puzzles in different rooms! Solution: http://www.youtube.com/watch?v=6G8kqCsE-N4...

The Aperture Science Testing Protocol requires us to tell you about the risks of every chamber. So here it is: having fun. Solution: http://www.youtube.com/watch?v=01sESGNQhrk...

Aperture Science hopes that a multi-leveled test sequence rather than a linear one will inspire potential writers and testers...

Aperture Science hopes that your body will remain intact after testing. Lawsuits are not part of our testing protocol...

Aperture Science advises all testers to not rub their cheeks on the light bridges. We've had to put out a few dozen head fires the last year when testers kept falling face-first onto the light bridges....

Narrow corridors are narrow. Solution: http://youtu.be/hDKTM2QdWvM...

Aperture Science's Excursion Funnel promotes the use of Asbestos! Solution: http://youtu.be/M6oN_MN8o_E...

Aperture Science advises all test participants to avoid puking in the Excursion Funnels. Solution: http://youtu.be/Hq1HfvzvqKA...

I lost all imagination I have. Good luck! *Disclaimer: Aperture Science does not endorse the loss of imagination. This description is false....

The Aperture Science advocates moving around. You lose weight, we benefit with a $10/step ratio....

Glitches are a natural part of the Aperture Science Testing Protocol. That's why we invented the "Restart" button in our Aperture Science Escape feature. We won't advocate that feature though, since everytime you use the button, another parallel universe i...

Finally understand where those Companion Cubes are going?...