Happy! Mario 20th

'''Happy! Mario 20th Super Mario Bros.' was an event that took place in 2005, celebrating twenty years since the start of the mainline Super Mario series with the release of Super Mario Bros.'' in 1985. The celebration was succeeded in 2010 by the Super Mario Bros. 25th Anniversary.

Games and accessories

 * Famicom-colored Game Boy Micro
 * The re-release of the Famicom Mini GBA port for Super Mario Bros.
 * Happy! Mario 20th - Super Mario Sound Collection
 * Mario Tennis: Power Tour
 * Dr. Mario & Puzzle League

Miscellaneous

 * An interview with Shigeru Miyamoto on Nintendo Online Monthly that commented on Mario's development process