Up-Down, a new arcade bar at 500 E. Locust St. in Des Moines' East Village, will officially open Friday. A grand opening party will be held from 5 p.m. to 2 a.m., and the first 50 people through the door will get 10 free game tokens. The bar features more than 40 arcade games from the 1980s and '90s, including "Mortal Kombat," "Ms. Pacman" and "Mario Bros."