'Guardians of the Galaxy' turns family into a game mechanic. It's clunky, but it works.

Marvel's Guardians of the Galaxy took me by surprise. I've played plenty of games over the years that boast thematically appropriate mechanics, but I can't recall any that slid this easily into a story-driven action game.

On its surface, Guardians should feel immediately familiar to Marvel fans of all stripes, including those...