While it might seem simple in retrospect, Test Chamber 08 ... Then, put a portal on the wall behind you. Walk through the portal on your side of the chamber and grab the cube with the X button.

The fan-made modification to Portal 2, called Portal: Revolution, gained popularity shortly after it was released. With over 40 new test chambers, there are naturally some that players find ...

You now have access to the test chamber controls. You can raise the central platform with a portal gun attached, however it needs two Portal Gun Cores. There is another terminal in the room inside ...

You can now create co-op test chambers in Portal 2, thanks to a new update Valve released for PC. The chambers can be built using the game's puzzle maker. The update also implements a Quick Play ...

Most of those who've made it through to the end of Valve's brilliant sequel will have encountered at least one test chamber whose solution ... the solution in Portal 2 is always staring you ...

While this is obviously the first slice (geddit) and there's more to come, it's an incredible achievement in its own right: The first 13 test chambers of the game all present-and-correct.

There are a lot of new puzzle mechanics that are added in Portal 2 that up the ante in terms of how complex the series’ puzzles can be. Hard Light Bridges are introduced in the early hours of ...