Heartbeat produced Dragon Quest which was know as what in North America?
Heartbeat (company): Heartbeat (sometimes Heart Beat) was a Japanese video game developer, famous for developing the sixth and seventh installments of the "Dragon Quest" series. Dragon Quest: Dragon Quest, published as Dragon Warrior in North America until 2005, is a series of console role-playing video games created by Yuji Horii and his studio Armor Project.
Dragon Warrior