High Quality Content by WIKIPEDIA articles! The Nintendo Wi-Fi Connection (??????Wi-Fi??????, Nintendo Wi-Fi Konekushon?) (commonly abbreviated WFC) (stylized as nintendo Wi-Fi connection) is an online multiplayer gaming service run by Nintendo to provide free online play in compatible Nintendo DS, Nintendo 3DS and Wii games. The service includes the company's Wii Shop Channel, DSi Shop, and Nintendo eShop game download services. It also runs features for the Nintendo Wii, Nintendo DS, and Nintendo 3DS systems. Games designed to take advantage of Nintendo Wi-Fi Connection offer Internet play integrated into the game. Nintendo emphasizes the simplicity and speed of starting an online game when promoting its service. For example, in Mario Kart DS, an online game is initiated by selecting the online multiplayer option from the main menu, then choosing whether to play with friends, or to play with other gamers (either in the local region or worldwide) at about the same skill level. After...