Dragon Quest IV - Michibikareshi Mono-tachi (ドラゴンクエストIV 導かれし者たち) is a role-playing game developed and published by Square Enix for the Nintendo DS. The game is the fourth installment in the popular Dragon Quest series, and was released in Japan in 2007. The game follows the main character, the hero, as he embarks on a quest to save the world from evil forces. Along the way, he meets a variety of characters who join him on his journey. The game features a turn-based battle system, and the player must battle enemies in order to progress. The game also includes a variety of mini-games, such as fishing and a puzzle game. The game also features a variety of side quests, which can be completed in order to gain items and experience points. Dragon Quest IV is a classic role-playing game, and is sure to provide hours of entertainment to both old and new players alike.