Thread:MilkMC/@comment-38074090-20190106151133/@comment-38074090-20190110070949

surprisely，i use NBTexplorer opened the file level.dat in DIM100 and find the general id is world while DIM-42's is DIM–42(dim-42 is thaumcraft's outer land) i think that is because the author forgot to make a thing like a kind of program to name the world in level.dat it happens when i play single， too