This new trailer for fall 2011's X-Men Destiny keeps hammering away at one point: as a virtual X-Man, we will be able to choose our destiny in Destiny. That sure makes it sound like this game's a role-playing game.

Maybe it has a morality system?

We know it has a "branching storyline that features a deep element of choice and gives players ultimate control of their destiny."

Choosing one's path in a game is not the exclusive domain of any one genre or title, but in recent years, the most prominent spins on that idea have come from BioWare's Mass Effect and Dragon Age games.

We know it is being made by Silicon Knights, the studio behind horror classic Eternal Darkness, a remake of Metal Gear Solid and the recent Xbox 360 game Too Human. These folks haven't made anything like a role-playing game in a while and nothing like Mass Effect, but, would that kind of game be so bad? Those Marvel mutants certainly spent a lot of time wondering whether Charles Xavier or Magneto was right. Maybe gamers will too.