Haha, the funniest entry I played so far. Simple, fun concept, and the graphics serve the goofiness well.
One issue I had was, after the bear would eat a friend, I would find myself close to the right side of the screen, and not be able to see when I'm about to hit an obstacle. A marker on the side of the screen, like a warning sign or arrow, showing when a rock is coming up would have helped.