Made up languages in games. What are your thoughts on them?

[okr]

I loved the Talan language Agazork in Outcast (great PC action-adventure game from 1999).
http://www.gog.com/game/outcast

A basic Agazork dictionary had been included in the game manual:
http://fuckyeahoutcast.tumblr.com/post/48354609651/agazork-language-of-the-talan-from-the-outcast