Nintendo will cut off Wi-Fi connection service to their Wii, DS and DSi platforms.

Nintendo has announced that it will be discontinuing certain online functionality to many Wii, DS and DSi software titles. These changes will not impact games that can be played offline. Online play is unaffected for the Wii U and 3DS aside from the Wii mode on newer consoles. Access to the Wii Shop channel, DSi shop and Nintendo's VoD services are all unaffected.

For a full list of affected software titles visit Nintendo's official site.