Mmmmmm...donuts! Frank Seninsky sees the Virtuix Omni Arena (brought to market by UNIS) as a great platform for content, but wonders if the “donut-style” enclosure takes too much time for players to get into, thus decreasing throughput. UNIS OMNI ARENA – trade show image 0 By RePlay Editor on July 10, 2018 Share. Twitter Facebook Google+ Pinterest LinkedIn Tumblr Email