"If there is a secret to the longevity of Nintendo franchises, it is transformation," Nintendo of America president Reggie Fils-Aime said during a presentation streamed online before the show floor opened at an Electronic Entertainment Expo (E3) video game extravaganza here.
"We never let them stand still."
While console rivals Xbox One and PlayStation 4 were stars of theatrical E3 media events in Los Angeles a day earlier, Nintendo opted to go digital for the second year.
Xbox and PlayStation consoles from Microsoft and Sony, respectively, are known for immersive, action-packed games nearing film quality while Nintendo has built a devoted following for closely-protected franchises such as Mario and Legend of Zelda.
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In a sign that Nintendo may be loosening its grip a bit, Fils-Aime announced a partnership with Activision to add "Donkey Kong" and "Bowser" characters to the video game publisher's successful Skylanders line-up.
Skylanders has been a hit with real-world figurines embedded with chips that synchronize them to arena-style platforms plugged into consoles, essentially letting youngsters carry about customized champions they can drop into on-screen games.
Donkey Kong and Bowser will have vehicles and be part of a Skylanders SuperChargers offering from Activision in September. The play pieces will also work as "amiibos" in compatible Nintendo games.
The Japanese video game stalwart on Tuesday launched a LetsSuperMario.Com website where lovers of the franchise can upload video tributes.