Online game developer, Perfect World (NASDAQ:PWRD) rose 29% after the company reported earnings late Thursday.The company reported EPS $0.98, topping analyst estimates of $0.55 per share. Revenues came in at $123.40 million, better than consensus estimates of $112.33 million.Perfect World (NASDAQ:PWRD) has potential upside of 43.5% based on a current price of $12.55 and an average consensus analyst price target of $18.01.