E-Pub, the producer of UPROAR, an online gaming site, is boasting of its breakout numbers as measured by Relevant Knowledge. RK ranked UPROAR the second most popular web site to debut in June. E-Pup says 898,000 unique visitors visited the site last month. UPROAR hosts games including CBS SportLine Team Trivia, Picture This, and Puzzle-A-Go-Go. The site's at www.uproar.com. The number one site last month? The live birth online that drew a slightly bigger crowd.