Last week we talked about WHY people might make up their own languages.
Nobody can really catalog all of the constructed languages - because there are more every day.
That's very formal. Maybe you have a story you'd like to tell. Maybe you're trying to see how easy it is to make a language. From last week we saw that people have found practical and fun reasons to make their own language. From ancient times, Klingon warriors have amused themselves in idle moments on patrol, by mock number battles playing the game wa' cha' wa'maH .