The Blue Switch Palace is the fourth Switch Palace in Super Mario World.
Description[]
It's unlocked by finding a secret exit in Forest of Illusion 2. The palace holds the Blue ! Switch that when activated will turn all the blue Dotted-Line Blocks into Blue ! Blocks.
Layout[]
The player needs to switch the Gray P Switch first and then the blue one. They then need to collect all the Gray Coins before the Gray P Switch time expires. The player can then collect the gold coins if they want. Then they need to go through the Warp Pipe and press the Blue ! Switch. Which will then activate all the Blue ! Blocks.
Enemies[]
Notes[]
Once the Blue ! Switch is activated, the level cannot be entered anymore.