Custom Tracks are those tracks which are created by ordinary users. They come in several different types. Here they are listed.
“Multiplayer Classics (or Classics Tracks) is the name given to the best 60 custom tracks ever...Multiplayer classics
“A mesh is a group of polies. While .w file contains many meshes, .prm file contains only one...Mesh
This category has the following 4 subcategories, out of 4 total.