At the 3DS Conference, Nintendo showed 28 games. Some of them were Nintendo titles. Some of them were not.
Sister site Kotaku Japan compiled a list of the titles, along with their Japanese release dates (We also have been told two U.S. release dates. ):
Nintendo Titles
Super Mario 3D Land Nov. 3
Mario Kart 7 Dec. 1
Mario Tennis 2012
Paper Mario 2012
Luigi's Mansion 2 2012
Mario & Sonic at the London Olympics* Spring 2012
Animal Crossing 2012
Tomodatch Collection TBA
Gal's Mode 2012
Calciobit 2012
Culdcept 2012
Shinrei Camera TBA
Tsuiteru Techou TBA
Fire Emblem Spring 2012
Kid Icarus: Uprising Jan. to March 2012
*Sega is developing the title. Nintendo is publishing it in Japan.
Third Party
Dynasty Warriors VS 2012
Bravery Default 2012
SD Gundam G Generation 3D Dec. 22
Hatsune Miku Project Mirai March 2012
Resident Evil: Revelations Early 2012
Ace Combat 3D: Cross Rumble This Winter
Tekken 3D: Prime Edition This Winter
Theatrhythm Final Fantasy This Winter
Slime Mori Mori Dragon Quest 3: The Great Pirate Ship and the Tails Brigade Nov. 2
Girl's RPG: Cindere Life 2011
New Love Plus Dec. 8
Metal Gear Solid 3D: Snake Eater This Winter
Monster Hunter 3G December 10
Monster Hunter 4 TBA
全部で28タイトル！ [Kotaku Japan]
(Top photo: Game Impress Watch)
You can contact Brian Ashcraft, the author of this post, at bashcraft@kotaku.com. You can also find him on Twitter, Facebook, and lurking around our #tips page.