WiiConnect24

WiiConnect24 is an online service for the Wii that can be used for specific games on the Wii. This software runs on games that have to be ran on 24 hours per day. It even runs time and internet when the system is off, meaning stuff can even happen when the system is off such as the player can receive data from other players on Animal Crossing: City Folk even when the system is off and the player isn't playing.

Games

 * Super Smash Bros. Brawl
 * Battalion Wars 2
 * Elebits
 * Mario Strikers Charged
 * Mario Kart Wii
 * Animal Crossing: City Folk