Why don't I have Mystery Mountain in my game?

I want mystery mountain as well only time yon can collect gold bars and boosters

Great I always seem to be on the end of these tests, ask your colleagues to make it a bit fairer, and stop targeting the same areas, it's every time there is an issue!

I havent got it either have only had it back approx 3 weeks and now its gone again, so much wrong with Pet Rescue these days when I started playing a few years back everything was so straight forward but not anymore.

Same here, they say they target random players but I didn't have Mystery Mountain for nearly a year unilt August and now gone again. Really not good.