The top 20 chart of the bestselling full-priced PC games in the U.K. on GfK Chart-Track is now updated for the week ending April 27th. SimCity remains entrenched at number one on a chart where the top 10 contains two new entries: Dead Island Riptide at number three and Star Trek: The Video Game at number six. Meanwhile Riptide enters the all-platforms chart at number one, Star Trek enters that chart at number three, and debuting at number seven in LEGO City Undercover: The Chase begins.