Things You'll Need
Instructions
Right click on the icon for the zipped "Lunar Magic" program and choose the "Extract Here" option.
Double-click on the icon for "Lunar Magic.exe" to start the program.
Click "File" at the top left of the window to create a menu and click on the "Open ROM" option. This will make the "Open File" window appear.
Find and double click on the "Super Mario World" ROM file within the "Open File" window to open this file in Lunar Magic.
Click on the icon that looks like a castle tower to open the "Overworld Editor" window.
Move your mouse to "File" at the top left of the "Overworld Editor" window and click to make a menu appear.
Hover your mouse over the "Title Screen" option and click on "Load Title Screen."
Modify the text on the title screen to your preferences.
Click on the floppy disc icon to save your changes.