There are several multiplayer games that you can play on SDF via the shell and clients run on your computer

• any SDF server
• info: xscrabble

• minecraft.sdf.org
• requires Mojang client

• cs.sdf.org
• requires Steam client

• gm.sdf.org
• requires Steam client

• freeciv.sdf.org port 5555
• clients and info: Freeciv Wiki

• mud.sdf.org port 4000
• info: wm.sdf.org/mud
• Clients on SDF:
  • Type 'mud' at the shell
  • TinyFugue: type 'tf mud.sdf.org 4000'
• Other Clients:
  • Windows: MUSHclient
  • Windows (non-free): CMUD
  • MacOS: Atlantis MU

• server: tetrinet.sdf.org
• clients: http://en.tetrinet.no/tetrinet-clients-download-1.php, tetrinet at the shell
• stats: http://tetrinet.sdf.org

• sdf.org port 5154
• clients and info: http://bzflag.org

$Id: games_server_list.html,v 1.10 2012/12/24 03:53:28 hobbsc Exp $ INTERNET Game Server List and Game Information for SDF.ORG - legacy link