A battery back up save feature replaced the Japanese password system, and the syntax of the game relied on Elizabethan English. All characters would faces the direction they walked in while moving, shore lines were added to the coast, and the Hero's sprite would show him holding a sword and shield when equipped. The original title was chosen instead of the then-most-recent and more sophisticated Dragon Quest III for unknown reasons, and was given a slight graphical update. In 1989 Nintendo of America decided to market the series to North America, as the company's action RPG title, The Legend of Zelda, had proven to be highly successful in the North American market. Nintendo, Dragon Warrior, and Enix America Corporation 5 Current Square Enix localization policies.3 Enix Merges with Square, and localization reboot.2 Eidos, Dragon Warrior Monsters, and Enix America, Inc.1 Nintendo, Dragon Warrior, and Enix America Corporation.