Nintendo has slapped up three new games on its digital stores in this week's downloads update. None particularly worth shouting about though, so we'll let you have browse before getting back to Mario Kart 7:Nintendo eShop Sakura Samurai: Art of the Sword - Travel a world rife with beauty and danger to rescue the legendary Princess Cherry Blossom. Her kidnapper has placed dozens of blade-wielding henchmen in your path. (For Nintendo 3DS) Nintendo eShop and Nintendo DSiWare GO Series: Undead Storm - Six months after a mysterious meteorite strike, the undead have awoken and are taking over the city. What lies behind this zombie epidemic? Only you can uncover the truth. (For Nintendo 3DS / Nintendo DSi) Nintendo Video "Drown in the Now" by The Crystal Method (available Feb. 3 at 3 p.m. PST) - UVPHACTORY created a graphic black, white and red New York neighborhood that has been infested by small robots. The video culminates with Matisyahu's rescue via boat by The Crystal Method. (For Nintendo 3DS) Iwata Asks Swapnote - Read the latest edition of Iwata Asks for an inside look at Swapnote, a new application that allows Nintendo 3DS owners to write, decorate and send handwritten 3D notes to people on their friend lists via SpotPass and StreetPass. Swapnote is available to download from the Nintendo eShop at no cost. Also new this week: - Carmen Sandiego Adventures in Math: The Great Gateway Grab (WiiWare)