Mario Kart 8 3.0.5 Nsp ((link)) -

: Mario Kart 8 is a popular racing game developed and published by Nintendo for the Wii U console. It was released in 2014 and features iconic Nintendo characters, tracks, and gameplay.

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You're looking for information on Mario Kart 8 and its relation to the file extension NSP and version 3.0.5.