World 4 (Super Mario World 2: Yoshi's Island)

World 4 is the fourth world of the game Super Mario World 2: Yoshi's Island and Super Mario Advance 3: Yoshi's Island. It consists of 10 levels (including the Bonus Game for the SNES version), and it has 6 regular Levels, a Fort, a Castle, a Extra Level, the Match Cards Bonus Game, and a Secret Level (GBA Only).

List of Levels in World 4

 * 1) GO! GO! MARIO!!
 * 2) The Cave of Lakitus
 * 3) Don't Look Back!
 * 4) Marching Milde's Fort
 * 5) Chomp Rock Zone
 * 6) Lake Shore Paradise
 * 7) Ride Like the Wind
 * 8) Hookbill the Koopa's Castle
 * 9) Fight Toadies w/ Toadies
 * 10) The Impossible? Maze