The premise of Planet 51 holds so much potential for a fun animated romp: Instead of the usual scary green alien coming to invade poor defenseless earth, this time it's a human who has landed on an alien planet, striking fear into the hearts of the peaceful inhabitants. Add in some great voice talent (including Dwayne 'The Rock' Johnson, Justin Long and Seann William Scott) and the now standard array of quirky characters, and you've got the recipe for some wholesome animated holiday fun. That's the movie covered. Now take the movie, tear out its charming soul and replace it with repetitive fetch-quests, bland voice acting and clumsy controls, and you are left with Planet 51: The Game ...