Star World 1

From the Super Mario Wiki

Platformer Level
Star World 1
World and Level	None
Game	Super Mario World
Notes	The level is inside a cave with many hidden items and a lot of Turning Blocks. Mario or Luigi must find a Key and a Keyhole to go to the next level.
' List of Levels '

Star World 1 is the first Star World level accessible by the Donut Plains Star Road. A memorable characteristic of the level is the turning blocks that are in all the level. This level also has a rare Baby Yoshi, a Red Yoshi. It also has some items around the Turning Block maze.

Super Mario World Levels Yoshi's Island Yoshi's Island 1 | Yoshi's Island 2 | Yoshi's Island 3 | Yoshi's Island 4 | Yoshi's House | Yellow Switch Palace | Iggy's Castle Donut Plains Donut Plains 1 | Donut Plains 2 | Donut Ghost House | Donut Plains 3 | Donut Plains 4 | Morton's Castle | Green Switch Palace | Top Secret Area | Donut Secret 1 | Donut Secret House | Donut Secret 2 Vanilla Dome Vanilla Dome 1 | Vanilla Dome 2 | Vanilla Ghost House | Vanilla Dome 3 | Vanilla Dome 4 | Lemmy's Castle | Red Switch Palace | Vanilla Secret 1 | Vanilla Secret 2 | Vanilla Secret 3 | Vanilla Fortress Twin Bridges Cheese Bridge | Cookie Mountain | Butter Bridge | Ludwig's Castle | Soda Lake Forest of Illusion Forest of Illusion 1 | Forest of Illusion 2 | Forest of Illusion 3 | Forest Ghost House | Roy's Castle | Blue Switch Palace | Forest of Illusion 4 | Forest Secret Area | Forest Fortress Chocolate Island Chocolate Island 1 | Choco Ghost House | Chocolate Island 2 | Chocolate Secret | Chocolate Island 3 | Chocolate Fortress | Chocolate Island 4 | Wendy's Castle | Sunken Ghost Ship Valley of Bowser Valley of Bowser 1 | Valley of Bowser 2 | Valley Ghost House | Valley of Bowser 3 | Valley of Bowser 4 | Larry's Castle | Front Door | Valley Fortress | Back Door Star World Star World 1 | Star World 2 | Star World 3 | Star World 4 | Star World 5 Special World Gnarly | Tubular | Way Cool | Awesome | Groovy | Mondo | Outrageous | Funky