Today is a big day for 3DS owners as the eShop has begun offering demos. A trial of Resident Evil Revelations can be downloaded (requires 1149 blocks to be saved on your memory card) and there will be other demos available in the coming weeks. If you're not into the whole survival horror business, consider picking up Lock'N Chase or WiiWare dungeon crawler Stonekeep: Bones of the Ancestors.
Stonekeep: Bones of the Ancestors tasks players with exploring unknown dungeons and fighting enemies within the levels. Defeat foes with weapons or magic and use treasure you've collected to earn better gear. Try out this dungeon crawler for 500 Wii Points.
Lock'N Chase puts players in the role of a thief who collects coins in a maze. Collect all the coins in the level while avoiding policemen that are following you around or put up a locked door to give yourself some distance from the cops. Add Lock'N Chase to your Virtual Console library for $2.99.
Gaia's Moon is a simple action game where you press a single button to control the altitude of a flying wizard. Time your button presses correctly to dodge incoming obstacles. Gaia's Moon also has a competitive multiplayer mode where two players share the 3DS or DSi at the same time. Worth $1.99 / 200 DSi Points to purchase.
Anne's Doll Studio features Gothic-themed dresses and accessories that can be adorned with dolls. Once you've decorated a doll, you can place a background with your creation and add various effects. Costs $4.99 / 500 DSi Points to purchase.