This comes in many forms - figuring out the koan (or riddle) of Zendo, getting the pieces into place in Ubongo or FITS, or figuring out how to use your pieces to build a route, as in Turbo Taxi.
Check this thread or the Season Event entries on the community portal to read the riddle which will reveal the server, the playfield and the exact spot the Mountain Goat can be found at.
Latin's six cases cower in comparison with Estonian's 14, which include inessive, elative, adessive, abessive, and the system is riddled with irregularities and exceptions.
It may be highly fitting to use riddles and jargon when one is dealing with the operations of a nuclear reactor or the nature time at the edges of the universe.
And that's definitely something that we should work on, especially when you're saying that so many people have been told this riddle and most people haven't gotten it.