Dead Island Riptide has taken the top spot in Steam’s top sellers list for the week ending on April 27th.
Deep Silver’s just released expand-alone beats out BioShock Infinite and Age of Empires II HD (last week’s winner).
Monaco led a pack of indies in the fourth spot, with Klei’s Don’t Starve and ‘Let’s Play’ sensation Surgeon Simulator 2013 finishing in sixth and seventh respectively.