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Showtime Championship Boxing ROM that you can download for Nintendo Wii from romsfile.com. Play Showtime Championship Boxing, it is a Sports genre game loved by 10,448,892 of our users, who vote for this game and gave it {rated} stars. This Showtime Championship Boxing ISO is available on this website in USA version. You can dowload Showtime Championship Boxing ROM on your device and play it without any problem because it's Nintendo Wii emulation game so you can enjoy it alone or with your friends without any limits. Showtime Championship Boxing File Size - 550.8MB is tested by most trusted antivirus programs and perfectly safe.