You can play unlur on-line with people around the world at www.ludoteka.com . It is a free java based site for playing games in real time. No downloads are required. It is available in English, Spanish, French and Basque.
If you prefer, thanks to Lyman Hurd, you can play unlur by e-mail in the Richard's play-by-e-mail server. If you need information you can read the tutorial
More recently we have a new very useful tool for viewing and moving our games played by e-mail. Thanks to Paul B. van Wamelen's we can see the diagrams of our games and make the moves. See the games that are being currenlty played here