A dancing game similar to Dance Dance Revolution, manifactured by the Korean company NGG Entertainment.

The point, as in all games of the genre, is to dance along to pop music following symbols for dance moves that appear onscreen.

Besides the standard 4 foot sensors on the two dancing surfaces, 3DDX features 4 infrared hand sensors per player. The inclusion of hand movements add an extra dimension, making the performance look more like actual dancing than just stomping on pads.

Interestingly, the 3DDX is actually a 700-kilogram custom PC. It has an Intel processor and chipset, and an nVidia GeForce graphics processor.

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