First, you must to use MarioPacker to pack (Lock your episode for editor) your game : Go to "World editor" and File -> Map Packaging.
After pack your game, go to the folder where your episode is packed, and Open "Game.ini".
Code: Select all
[World Config]
Version=66
Name=XXX
Path=XXX.map
[Player Config]
Disable2PlayerGame=False
DisablePlayerChanging=False
DisableMario=False
DisableLuigi=False
DisablePeach=True
DisableToad=True
DisableLink=True
MarioName=Mario
LuigiName=Luigi
PeachName=Peach
ToadName=Toad
LinkName=Link
The 5 last lines is used to show the name of the player in the title screen, you can change those name, there isn't a limite about letters.
To example, if I change "Mario" to "Somari" :