sentences:  Following the completion of "Muramasa" in 2009, Vanillaware began work on two different projects; "Grand Knights History" for the PlayStation Portable (PSP), and "Dragon's Crown" for PlayStation 3 and PlayStation Vita.Born from a wish for Vanillaware and Marvelous Entertainment to work on a PSP title, "Grand Knights History" changed from previous action-based gameplay to a turn-based structure incorporating multiplayer while preserving the company's signature art style.Its two-year production was led by director Tomohiko Deguchi, with art direction by Kouichi Maenou.