Nintendo DS Game Cards are only compatible with WEP security, and are not compatible with WPA security. So while you can enjoy other online features of Nintendo 3DS with WPA security, you cannot play Nintendo DS games online with any system if your network is secured with WPA.

If your network is secured with WEP security and you want to play a Nintendo DS game online on your Nintendo 3DS system, please follow the steps below.

• In the HOME Menu, go to SYSTEM SETTINGS

• Tap on INTERNET SETTINGS

• Then touch NINTENDO DS CONNECTIONS

• The next screen you'll see will be similar to that shown on a Nintendo DS system. For more information about setting up an Internet connection for a Nintendo DS game, click here, or refer to the Nintendo Wi-Fi Connection Instruction Booklet included with Nintendo DS software titles for details on how to connect.