Great question! While many big name stores are heavily customized I can definitely suggest some comparable themes for you to check out. Mr Beast's store using a minimalist theme base, which focus on big images and smaller menus and navigation. A couple of popular themes from our theme store that offer similar experiences are:
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This is David at SalesHunterThemes. As I know the theme using on Mr. Beast store is customize base on Dawn theme. In this case if you want to build a store like that, you should hire an expert, who can help you customize the Dawn theme. Or you can try to use our theme Electro theme and Blum theme
We also have a team can help you customize the theme to help you build your store.
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