Yes, there is a world 9 in the game. You unlock it by beating the final boss. To unlock each level, you have to collect all of the Star Coins in the worlds of each level's corresponding second number (so for example, for 9-1, you have to collect all of the Star Coins in world 1).
No. There is no negative world in New Super Mario Bros. Wii.
yes you can, you can in new super Mario wii too
in Mario Bros. Wii it is the Beach world. In Super Mario Bros. DS, it is Jungle world
It Is After World 6.
No. There is, however, a world 9 in super Mario bros wii.
You have to beat world 6
no but on wii yes
New Super Mario Bros. Wii happened in 2009.
Yoshi was in Super Mario World but has never been in a Mario Bros. Game. that is, until New Super Mario Bros Wii comes out.
beat world 6
New Super Mario Bros. Wii happened in 2009.
They call it Super Mario Bros Wii for a reason