Portal 2 was one of our favorite video games ever. And that’s saying something. We especially loved the co-op mode, starring robots Atlas and P-Body (or blue and orange, if you’re GLaDOS). They’re on a mission to rescue some humans that are trapped in a secret chamber GLaDOS can’t open. There’s running, there’s dancing, there’s high-fiving, there’s confetti. And then there’s the backstabbing.
