I've gone twice, once to Alien Zoo and once to the Dragon Riders one (I forget the exact name). Agree with other reviews that Dragon Riders is a bit simple and short compared to their other experiences. We chose it because it had the most spots and we had a large group.
Alien Zoo lets you walk around and actually touch the animals (presumably with real life props that are moved around in sync with the VR). The overall experience was immersive and beautiful. Dragon Riders you sit on a sort of saddle with handle bars that lets you move your dragon; but the movement is somewhat "on rails" and you doesn't always feel very responsive.
Overall though, I'd still recommend this place as a unique experience.
I took my son and his friends to this and they (and me) had a blast! We did the “Lost Pearl” adventure and it was incredible. The design of the experience was so well done.
Highly recommended!