Game Winners
   Cheats and codes.
   http://www.gamewinners.com/wonderswan/

GameFAQs: WonderSwan
   Cheats, codes, FAQs and, hardware information.
   http://www.gamefaqs.com/portable/wswan/index.html

GameFAQs: WonderSwan Color
   Cheats, codes, FAQs and hardware information.
   http://www.gamefaqs.com/portable/wscolor/index.html

Swan Song
   Provides system information, links, and game reviews on Bandai's portable system.
   http://www.j-fan.com/swansong/