Complex sentence: Shortly following the full release of "Depression Quest" on Steam in August 2014, Quinn's former boyfriend Eron Gjoni wrote a blog post alleging that she had had a sexual relationship with Nathan Grayson, a journalist for the video game website Kotaku.
Split into simpler sentences: Shortly following the full release of "Depression Quest" on Steam in August 2014, Quinn's former boyfriend Eron Gjoni wrote a blog post alleging she had cheated on him during their relationship. One of the people he accused of being involved in the affair was Nathan Grayson, a journalist for the video game website Kotaku.