So far, I'm at 37 games played and 33 games completed, for a 86.86% completion rate. I have 9 platinums and I've done everything legit.
The plats are: Rocketbirds (Vita), Borderlands 2, Plants vs Zombies, Need for Speed Most Wanted, Jeopardy, Uncharted Golden Abyss (Vita), Wheel of Fortune, PlayStation All Stars and Batman Arkham City.
My active games are: GRID 2, Madden NFL 12, Dokuro (Vita) and Heavy Fire Afghanistan.