At this point everyone should know what Portal is, especially if you're reading my blog. Portal 2 is the sequel to Portal with twice the game time and a separate co-op campaign mode. Much like the previous Portal you still play as Chell, the mysterious mute test subject, who has no choice but to take GlaDoS' tests in hopes of escaping the Aperture Science Labs alive. Portal 2 transitions from the first game very well by placing you were you should be right when you end the first game. In the first game the only character you really ever interacted with was GlaDos. Though it was
