The test begins with a dramatic set piece as Wheatley wedges two chambers together. This bodge job leaves a gap traversable only via light tunnels, and on top of that you've got to factor in a ...

The first Test Chamber that really puts the players’ Hard Light Bridge skills to the test is chamber 11 during the third chapter of the game. If playing through Portal: Companion Edition on the ...

Which one was it for you? 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 remained so unfathomably ...