Recently bumped into: #Gostak International Airport ("conlang immigration paperwork").
https://kevan.org/games/gostak

"Twenty players were locked in … and given half an hour to each correctly complete a landing card in a fictional language, watched over by two airport staff who spoke no English. Each player was also given airline tickets and airport brochures which were written in both English and Gost…"

(In this game, "The gostak distims the doshes" roughly translates as "Gostak welcomes tourists".)

https://ifdb.org/viewgame?id=w5s3sv43s3p98v45

"Finally, here you are. At the delcot of tondam, where doshes deave. But the doshery lutt is crenned with glauds.

Glauds! How rorm it would be to pell back to the bewl and distunk them, distunk the whole delcot, let the drokes uncren them.

But you are the #gostak. The gostak distims the doshes. And no glaud will vorl them from you."