So, OpenArena supports mods, like the game on which it is based.
and, even more important, OpenArena is born. Q3A and Q3:TA source code is now 'free' (under GNU GPL license), so ioquake3 is born. Quake III Arena has support for mods, and id Software released an official (and commercial) mod called Team Arena for it (and many gamers created free mods for Q3A). A ' mod' is an 'add-on', a 'modification' that changes one or more aspects of a videogame.
