Mods have even being known to outshine the original game, and playing such a mod may become even more common than playing the unmodded original. The purpose of a mod is to change the game and add an extra dimension of replay ability and excitement. There are plenty of types and tons of styles, a mod can be anything the creators want it to be. A mod can range from a total conversion with new gameplay, look and feel through to minor alterations which could include new models, weapons, maps etc.
Mod, short for modification is a term generally applied to a customised (or altered) computer game made by the general public.
