The Special World is a secret world that appears in Super Mario World. It can be accessed after completing the Star World and taking the secret exit from Star World 5. The Special World is known for containing the most difficult levels in the game, and each level has its own unique gimmick.
- The Special World is the only world in Super Mario World that doesn't contain levels with numbers beside their name.
- The green, blue, yellow, and red sprite found at the top of the screen represents the logo for the Super Famicon. This logo resembles the Super Famicon's controller buttons.