Still need to play:

Torneko no Daibouken: Fushigi no Dungeon
Torneko: The Last Hope
Torneko Adventures 3: Mysterious Dungeon
Dragon Quest & Final Fantasy in Itadaki Street
Dragon Quest: Shounen Yangus to Fushigi no Dungeon
Itadaki Street DS
Dragon Quest Swords: The Masked Queen and the Tower of Mirrors
Dragon Quest Wars
Dragon Quest: Monster Battle Road Victory
Fortune Street
Dragon Quest X: Odekake Moshasu de Battle
Dragon Quest Heroes: The World Tree's Woe and the Blight Below
Theatrhythm Dragon Quest
Dragon Quest Builders
Dragon Quest Heroes II
Dragon Quest Builders 2
Dragon Quest Keshi Keshi
Dragon Quest Champions
Infinity Strash: Dragon Quest The Adventure of Dai
Dragon Quest X: Rise of the Five Tribes Offline - The Sleeping Hero and the Guiding Ally