The game begins with a classic premise that quickly expands into a multiverse-style adventure:
Each world is a "mix" of a previous Mario title's aesthetics and mechanics:
is a massive overhaul of the original Super Mario Bros. 3 for the NES, created by developer Southbird . It acts as a "greatest hits" tribute, blending stories, mechanics, and characters from across the entire Mario franchise into one seamless experience. The Storyline
: King Bowser kidnaps Princess Peach along with two of her subordinates.
: Replaces the Frog Suit; allows for better swimming and ice attacks.
: Heroes Mario, Luigi, and Toad pursue Bowser’s Airship as it flees the Mushroom Kingdom.