Top Secret Area

Top Secret Area is a secret level of Donut Plains in Super Mario World and the Game Boy Advance version of Super Mario Advance 2: Super Mario World. It has items for Mario and Luigi. The level requires to go to the other exit to unlock the level. The function is somehow similar to the Toad Houses in Super Mario Bros. 3.

Summary
The level has 5 Question Blocks. Two blocks on the left have Fire Flowers, the middle block has a Yoshi inside the Yoshi Egg (the remake can have any colored Yoshi) and the two blocks on the right has Cape Feathers. The level does not have any Time Limit, but the remake has a time limit of 200 seconds.

Trivia

 * There are two location icon changes. The SNES version has the yellow space while the remade version in GBA has a smiling green bush.