Wave 5 includes three additional characters and eight new courses for the Mario Kart 8 Deluxe game.
Mario Kart 8 Deluxe Booster Course Pass DLC - Price, Course List, All Mario Kart 8 Tracks
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Nintendo News: Expand Your Racing Repertoire With Mario Kart 8 Deluxe – Booster Course Pass, Out Now
Mario Kart 8 Deluxe - Booster Course Pass DLC tracks and release dates
Mario Kart Wave 5 coming this summer and features Petey Piranha, Wiggler & Kamek as new characters - My Nintendo News
Mario Kart 8 Deluxe Completes its Journey with Booster Course Pass Wave 6 - Level Push
Mario Kart 8 Deluxe Booster Course Pass Wave 5 Release Date - Insider Gaming
The fourth wave of Mario Kart 8 Deluxe Booster Course Pass icons are now available
Mario Kart 8 Deluxe Booster Course Pass Wave 5 announced
Wave 5 is coming soon. : r/mariokart