* Overview of Contra 4: "Everything About Contra 4"* Contra 4 preview and hands-on from 1up.com* Contra 4 at GameSpite.net* Konami's Official Contra 4 website
==See also==* Contra* List of Nintendo DS Games==References====External links==* Overview of Contra 4: "Everything About Contra 4"* Contra 4 preview and hands-on from 1up.com* Contra 4 at GameSpite.net* Konami's Official Contra 4 website