Mudlle, "MUD Language for Little Extensions", is a functional programming language originally designed for writing extensions to MUME, a Diku-based MUD written in C. Public archives have dated Mudlle to around 1993, although it was not available during that year and has since been released with the original dates from the readme files intact. It had several design aims: It should be simple and small. This translates into a simple compiler/interpreter, less bugs, and faster availability.