It’s just two days until 2009’s  TGS kicks off  and the rumors about what gamers can expect this year are bubbling.  Besides Konami’s 5 mystery titles that are set to be revealed this week, Sony is keeping the lid on 3 PS3 titles of their own. According to PlayStation University Sony’s mystery titles are none other than; Grandia 4, Ar Tonelico 3 and Legend of Dragoon 2.