Base game included, Wave 6 must be downloaded.
It seems Nintendo will be offering an alternative DLC physical release for Mario Kart 8 Deluxe in Japan.
As highlighted on social media, the Japanese physical release will apparently include a copy of the base game and the Booster Course Pass (featuring Waves 1-5) all on a single game card. The only download required will be for Wave 6 when it’s released in Winter 2023. Here’s the Amazon description:
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