Super Mario 3D Land, Professor Layton and the Miracle Mask or one of three other titles available for free to 3DS XL owners.
Sells fewer copies than the October 2010 Medal of Honor reboot.
Latest Nintendo Direct promises "latest info on upcoming titles for Nintendo 3DS".
Browser-based demo gives a sneak peak at the new adventure.
Available simultaneously in stores and via the Nintendo eShop.
Nintendo has officially announced the release dates for a number of upcoming 3DS titles in 2012.
Cross your fingers, touch wood and give your bunny a foot massage: it looks like Professor Layton vs Ace Attorney could be heading to Europe this December.
Nintendo is finishing 2011 with a strong line-up for 3DS - Ocarina of Time 3D, Super Mario 3D Land and Mario Kart 7, and it looks like 2012 won't disappoint either.