One of these things is not like the other thing…

Back a few years ago a game called Guitar Hero was released and thousands of music hipsters and video game nerds united to the sound of tiny plastic guitar buttons clicking away.

Since then, the company that created the game, Harmonix, has split away and invented Rock Band, which is the same, but with a whole band. Red Octane, the group Harmonix left, kept making Guitar Hero until they realize Ha...