Electronic Entertainment Expo

The Electronic Entertainment Expo, often shortened to just E3, is the world's biggest games conference. Nintendo and other games companies generally reveal the year's biggest games there.

2008
At the 2008 E3, was first revealed, along with Wii Music, which contains two Animal Crossing songs.

2010
During the 2010 E3 press conference, the Nintendo 3DS was first shown. In addition to that, a lineup of first party 3DS games were shown, including. Later on, on the show floor, Animal Crossing 3DS was a playable demo for the 3DS, being one of the first games playable on the 3DS.

2011
During Nintendo's press conference, a wall with logos of upcoming 3DS games were shown, with Animal Crossing being one. Later that day, a trailer was uploaded to the Nintendo website, showing off many new features. Additionally, the day of the press conference, Tuesday, June 7, 2011, marked the launch of the Nintendo eShop, which had the same 3DS trailers shown, but in 3D.