
What once appeared to be pre-programmed AI statements slowly morph into sinister remarks directed at the player. As these puzzles progress, GLaDOS’ demeanor begins to change as well. Throughout Portal, GLaDOS puts Chell (aka the player) through many “tests” that can only be solved with the Aperture Science Portal Gun. GLaDOS, the Genetic Lifeform and Disk Operating System, is an AI that runs Aperture Science. So now that we have our parameters down, it’s time to focus on the AI of the hour: GLaDOS. There are undoubtedly other facets you can add to the above list, but for now, we’re going to leave it at these four key features.


SPOILER WARNING: The following article contains major spoilers for Portal and Portal 2.

So in honor of Portal 2’s 10th anniversary, we’ll be diving into the maniacal mechanical mind of gaming’s greatest villain-GLaDOS. And no one takes the cake (get it?) like GLaDOS. But only the best video game villains live forever in our hearts and minds. And there is no better place for villains to thrive than within video games, in which you-the player-are the hero. Villains provide the heroes with a challenge: to defeat them. From the dawn of time, villains have been a fundamental part of storytelling.
