Worlds
World 1
A peaceful grassland where Mario first transforms into Cat Mario.
World 2
This sandy land is full of maddening mechanisms and traps.
World 3
A cold, ice world with tiny, isolated islands.
World 4
A world of ruddy, muddy mountains and swamps.
World 5
A watery world filled with secret bonus stages to discover.
World 6
A sky-high world set in the clouds.