Email based games have been around almost as long as email. There are a wide variety of free email games, some played like solitaire with yourself, and some multi-player games. The following newsgroups and web sites provide information and resources on email games:
- Combined PBM Archive — Collects play by mail information
- Play By Email — Wide range of email games.
- Play by Mail Games Homepage — Includes games broken down into 24 categories, including fantasy, historical, space, sports, and war games.
- rec.games.pbm — Discusses games played by email
- rec.games.chess.play-by-email — Covers chess by email