[KaVir]

You might want to look into something like MOO (MUD Object Oriented), as it can be developed from within the server using a . You can do basic stuff with little or no coding.

Creating a full game is always going to require coding though. There are stock muds that can be changed to some extent without touching the code, and even an that lets you do some customisation, but without coding there will be serious limits on what you can achieve.