Professionally moderated games played by sending paper turns back and forth via the postal service.
With the advent of the Internet and other technologies, this form of gaming has grown to include sending turns back and forth via email, fax, and the web.
This section is a list of all known Play-By-Mail companies with website. The country listed in brackets [company name] is the country the company maintains their offices in. While site descriptions should accurately describe what is on the site, please include the genre or subdivision of Play-By-Mail games that the company specializes in.