Kameo was one of the first picks for my shiny new Xbox 360. It is a nice action/platformer, with a good storyline and 11 playable characters.
The story puts you as Kameo, an elf, who has the ability to morph into powerful monsters, can combat the evil troll king and his mighty army to free her mother the Queen and her Ancestors.
It took me probably around 10 hrs of play, but it was fun. I finished the game last week, on solo play. I need to go back and play this time with my wife for coop. I bet it would be lotsa