Stuffing Portal's supervillain into a potato wasn't just a big surprise, it showed us a gentler side of GLaDOS. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

The original Portal had the element of surprise. Its style of first-person physics-based puzzle gameplay was unique. GLaDOS, the murderous robotic villain, was new and vibrant and evil in the most ...

So says the criminally insane supercomputer at the climax of cult video game Portal, after spending several hours trying to kill you. Now GLaDOS — named by IGN last year as the greatest video game ...