NIS America is happy to announce that select European retailers will be offering an exclusive Hyperdimension Neptunia: Producing Perfection button pack for those who pre-order the game! Hyperdimension Neptunia: Producing Perfection is an idol simulator and is set to release for the PlayStation Vita system in Europe on June 6 in both retail form and on PSN. Developed by Idea Factory, Compile ... more.