Spoilers for Blue Sky, right through to the end.

Spoilers for the end of Portal 2, and a reference to Blue Sky. Press the button – if you dare.

References to Portal 2 and Half-Life Wheatley is once more alone, or as good as, His companion mindless, and deaf To his monologue GLaDOS is once more in charge, or as good as, Her memories back in their box, her Control, absolute Chell is once…