The International Game Developers Association said Bob Bates is stepping down as co-chair of the game developers’ trade body in order to pursue an unnamed “dream project.” He was on the board for six years. During his time on the IGDA board, Bates was “chair of several committees, secretary, vice chairman and chairman (2005 & 2009).” Bates became chair of IGDA in March this year. Taking his place is co-chair Tobi Saulnier, who took on …