Comment by jron

The RunUO code is a testament to how great the game was:

  http://cloc.sourceforge.net v 1.62  T=11.67 s (285.5 files/s, 47086.1 lines/s)
  -------------------------------------------------------------------------------
  Language                     files          blank        comment           code
  -------------------------------------------------------------------------------
  C#                            3319         103315          12969         422223
  XML                              9              1            296           7097
  MSBuild script                   2              0              0           3517
  ASP.Net                          1              0              0             10
  -------------------------------------------------------------------------------
  SUM:                          3331         103316          13265         432847
  -------------------------------------------------------------------------------

https://github.com/runuo/runuo/tree/releases/2.5