The Sega Saturn's controller had two distinct parts that could be detached and used independently, a design choice that proved confusing to many consumers.elaborate
The GameCube's controller was designed to be small and comfortable for children, a significant departure from the larger, more adult-oriented controllers of its time.
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The WonderSwan was the first handheld game console to feature a vertically-oriented screen, a design choice that proved surprisingly popular in Japan.
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