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Most buttons on a videogame controller

Most buttons on a videogame controller
Who
Rock Band 3 wireless Fender Mustang PRO-Guitar controller (Mad Catz, 2010)
Where
Not Applicable
When
July 2011
With 113 different buttons representing every possible finger position on a 17-fret guitar, the wireless Fender Mustang PRO-Guitar controller for Rock Band 3 has more individual inputs than any peripheral in console history – even more than a standard PC keyboard, in fact!