Mario & Sonic at the Sochi 2014 Olympic Winter Games (lost build of cancelled 3DS version of Wii U crossover sports/party game; existence unconfirmed; 2013) - The Lost Media Wiki
Nintendo 3DS - Wikipedia
Nintendo 3DS Winter 2014 Bonus Game Promotion [EU Only] | GBAtemp.net - The Independent Video Game Community
My Favorite 3DS Games from 2014
The Biggest 3DS Games of 2014 - Fall Edition - Feature - Nintendo Life
3DS 2014 Games Release List - GameSpot
New Nintendo 3DS XL review | TechRadar
Here's what happens to DS and 3DS games you don't buy | VG247
Sonic Boom: Shattered Crystal | Sonic News Network | Fandom
Free Pokemon X or Y with 3DS and purchasing one of six games | Engadget
Game of the Year 2014 - The 10 best Nintendo 3DS games | Pocket Gamer
Mario & Sonic at the Olympic Winter Games SOCHI 2014 Nintendo 3DS - Zavvi Ireland
Nintendo 3DS review (2014): a good reason to give 3D another shot | Engadget
The Biggest Wii U and 3DS Retail Games Coming In 2014 - Guide - Nintendo Life