MMOs are a massively popular genre but were relatively ill-defined until World of Warcraft appeared on the scene. Now there is a buffet of WoW clones but MMOs could be so much more.

Greg and Mark give a fresh take on the video game difficulty debate from a holistic gaming perspective. What makes a game difficult in a fun way even if not everyone is satisfied with the level of challenge? Games that aren't challenging are boring, games that aren't winnable are frustrating.

Mark, Greg and Xander take on the topic of artificial intelligence in games. AI is becoming more intelligent but is there a point at which this becomes less fun for the player? What should developers even be optimizing for? Plus a look at our time together playing Left 4 Dead 2.