United Kingdom, June 4 -- Nintendo has insisted 'Mario Kart World' is not an "open world" game.

The highly anticipated new title marks the first time the franchise has been created in a seamless way - rather than with separate levels - but producer Kosuke Kabuki and his team aren't too clean on classifying it in that way.

He told the Washington Post newspaper: "We actually don't use the phrase 'open world' in development.

"I think for us it's just a little bit too ambiguously defined.

"Even though we are creating this vast interconnected world with racing routes, you still do need some traditional elements...

"That's why we have this opportunity to pull in classic courses from past titles and remake them for 'World.' "

However, he d...