• How to fit a large program into a small machine (1980) https://mud.co.uk/richard/htflpism.htm 39 comments 13/10/2023
• Designing Virtual Worlds book is free for limited time [pdf] https://mud.co.uk/richard/DesigningVirtualWorlds.pdf 2 comments 17/8/2021
• How to Fit a Large Program into a Small Machine (1999) http://mud.co.uk/richard/htflpism.htm 35 comments 25/8/2018
• Hearts, Clubs, Diamonds, Spades: Players Who Suit MUDs (1996) http://www.mud.co.uk/richard/hcds.htm 39 comments 5/5/2013
• The 4 types if MUD players http://www.mud.co.uk/richard/hcds.htm 10 comments 12/12/2009

• Designing Virtual Worlds [2003] https://mud.co.uk/richard/DesigningVirtualWorlds.pdf 8 comments 18/8/2021 book , games , pdf