Following up on the news of Super Mario 3D All Stars being the third biggest release of the year in the UK, there are more details no
Super Mario 3D All-Stars is actually the 15th biggest Nintendo game launch of all time in the UK and the second biggest Mario platformer launch, behind Super Mario Odyssey. It is also the fifth biggest UK Switch game launch of all time, behind Pokémon Sword/Shield, Animal Crossing: New Horizons, Super Smash Bros Ultimate, and Mario Odyssey. The only games featuring Mario that had a bigger launch were Mario Kart Wii, Super Smash Bros. Ultimate, and Odyssey
An interesting detail is that if a longer time period than just release weekend is considered, namely the first week, then 3D All Stars outperformed Odyssey in the UK.
You ca see our review of the game here