Complex sentence: In 2006 a University of Illinois at Urbana-Champaign sociological study looked at the gay gamer subgroup focusing on the profile of a "gaymer" and concerns they have regarding the perception of them in the gaming community and visibility of gay characters in games.
Split into simpler sentences: In 2006 a University of Illinois at Urbana-Champaign sociological study looked at the gay gamer subgroup known as "gaymers". The study focused on the profile of a "gaymer" and concerns they have regarding the perception of them in the gaming community and visibility of gay characters in games.