North America * Animal Paradise * Bratz Ponyz 2 * Di-Gata Defenders * Dragon Quest IV: Chapters of the Chosen * Drawn to Life: SpongeBob SquarePants Edition * Igor * Line Rider 2 Unbound * My Secret World by Imagine * Red Bull BC One * Star Wars: The Force Unleashed * Unsolved Crimes
Europe * Allied Ace Pilots * Jackass: The Game * Jewel Quest: Expeditions * Mah Jong Quest: Expeditions * Mahjongg DS * My Secret World by Imagine * Star Wars: The Force Unleashed * Tim Stockdale's Riding Star
Japan * Dragon Ball DS * Illumi Slight: Hikari no Puzzle * Long Vacation: Iruka to Watashi * Ochishi Keiji: Keiji-San, Watashi ga Arimashita * Yajuu Keiji: Tokyo Douji Tahatsu Tero o Chinatsu Seyo!
Australia * Doodle Hex * Imagine Fashion Model * My Secret World * Star Wars: The Force Unleashed
I'm guessing you can do it in under a week. I have played four sessions worth and have completed 15 of the 21 story cases. I like the Vice cases I am in right now; it's a welcome change from the Homicide cases.