Minecraft wiki entry for Mash-up_pack, associated text: The Super Mario Mash-up Pack was released on Bedrock Edition on June 21, 2018 as part of the release of Bedrock Edition for Nintendo Switch. It & the LittleBigPlanet Mash-up Pack are the only Mash-up Packs on Bedrock Edition that are limited to a certain platform. The Nintendo Switch version of Bedrock Edition, like the legacy Nintendo Switch Edition, comes bundled with the Super Mario Mash-up Pack.