In recent years, different manufacturers of the game have created dozens of versions in which the names of the properties and other elements of the game are replaced by others with some theme. There are versions about national parks, Star Trek, Star Wars, Disney, various particular cities (such as Las Vegas or Cambridge) and villages (such as "Calumetopoly" for Calumet, Michigan), states, colleges and universities, the Football World Cup, NASCAR, and many others.