Note: Some demo versions do not support all game features, and players cannot save their in-game progress in demo versions. To enjoy the 3D effect of Nintendo 3DS software, you must experience it from the system itself. . Use Parental Controls to restrict 3D mode for children 6 and under.

Nintendo DSiWare/3DS eShop

Ketzal's Corridors (Nintendo - KeysFactory/$6.99/eShop/3DS)

Revive Ketzal and restore order to the spirit world in this fast-paced 3D puzzle game.

Use speed, skill and lightning-fast reflexes to save the spirit world from destruction in this engaging, action-packed puzzle game. A variety of compelling spatial challenges await you. Rotate and maneuver block-shaped Guardians to explore sacred shrines and climb towers that reach high above the clouds. Face adrenaline-fueled races against the clock, cerebral shape-matching missions and mazes that you’ll need a sharp memory to escape. The evil god Koruptal has brought chaos and destruction to the spirit world, and it’s up to you to put things right.

Three multiplayer modes and 96 replayable, fast-paced single-player stages offer a wealth of puzzle-packed excitement, only available on the Nintendo 3DS system.

No. of Players: 2 players simultaneous

Anne's Doll Studio: Tokyo Collection (GameBridge/$6.99/eShop/DSiWare)

Dress-up a stylish doll, selecting from a wide range of dresses and accessories from Tokyo.

Use the stylus to choose hair styles, hair accessories, dresses, jackets and shoes, mixing and matching items to create hundreds of beautiful outfit combinations. Once your doll is complete you can choose from various backgrounds and boarder designs to create a stunning picture with your doll center stage. Alternatively set your Tokyo doll against a background of your choice by taking your own picture using the built-in camera of your Nintendo DSi or Nintendo 3DS system. You can further decorate and your doll by adding stars and other pretty effects or by drawing freehand. Your completed doll pictures can be saved to the SD Card (sold separately) and traded with friends, used on social networks as your avatar picture or printed out using a computer.

No. of Players: 1 player

"Underneath the Sycamore" by Death Cab For Cutie (available April 14 at 9 a.m. PT/Nintendo Video/3DS/eShop)

Set to the distinctive sounds of Death Cab’s “Underneath the Sycamore,” this video has a unique, old-time comic book feel. Follow this investigation into a tragic story and the search for peace.