The game relies heavily on mapping out a real world location of your chair to sit in to add to the experience, and the first time I had to stand up for a minute, it totally screwed everything up. 

 

 

That was a weird potato-like alien thing... but I could drive right through him like he wasn't there. 

Unfortunately it's pretty easy to flip the hovercar over. You need a strong stomach for this. Most of the thumbs down reviews were from people with no VR legs