The cannons are obtained by finding secret exits. one I know of is in world 1-3. with a Yoshi or propellor, where there is a fire pirahnah, jump up the platforms and go on the high ledge. then, jump as high as you can, and when you are offscreen, Hug the right wall and keep going right to find a secret exit (red flag).
secret exits
You have to find the "red" flag as a secret goal.
they are in secret red pipes in random levels
Find the hidden entrances and get all star coins for that world.
New Super Mario Bros. Wii happened in 2009.
New Super Mario Bros. Wii happened in 2009.
They call it Super Mario Bros Wii for a reason
New Super Mario Bros. Wii was created on 2009-11-11.
No. There is no negative world in New Super Mario Bros. Wii.
Saving Super Mario Bros to your Nintendo Wii's Memory
Do you mean new super Mario bros wii? Because Super Mario bros wii is differeant. Oh, well, in both games don't press anything and you will slowly go down.
It's been released for the Wii. It's called New Super Mario Bros. Wii.