Inside the [World folder] is a file named "levelname.txt". This file contains the name of the world. Changing this file doesn't alter the name inside the game. Opening the "level.dat" file reveals another levelname entry (hexadecimal):
Inside the [World folder] is a file named "levelname.txt". This file contains the name of the world. Changing this file doesn't alter the name inside the game. Opening the "level.dat" file reveals another levelname entry (hexadecimal):