It is xbox version of smash bros. It has a bit of all-stars and punchtime explotion features. For example, along with the damage percentage, the also have a boom bar. Filled up, they will unleash one hit kills to the enemies! The announcer is the one and only- Bill Gates! Sub-boss is Steve Jobs (Unplayable) True final boss is The Three Rings Of Death! Everyone has a rival that they face before the two bosses.