Take the secret exit in the grey tower.
Once you have gone through the pipe that shoots you up in the air, you may have seen a door as you went up. Try to get through it, and you will be in a room of moving blocks. There will be a couple of blocks that make a step go on that and keep going right. You will be in another room. You will need shell Mario for this part. Use the shell you hit three blocks underneath the yellow pipe (which you don't go through), and then there will be another three blocks in front of a red pipe. Break those blocks and then go through the red pipe. You will be at the red flag, which should allow you to use the warp cannon on World 1.
The warp cannon shoots you to World 5.
Find a secret area in the world 1 tower, and use a koopa shell to blast through some blocks. You will unlock a warp cannon to world 5.
in the world 4 1st castle go up and up until you see a groove in the wall, the run at it and you will see a pipe.
with the propeller suit near the end if you fly up there is red pipe fly into it
Go to world1 castle go to first door and follow the green things
(Have shell Mario) In the 1st castle there is a door with a lot of moving wals.When the wals are opening in the right side you must go bettwen them .
look up super Mario bros Cannon world 1 and level 1
World 7
The cannon in new super Mario bros takes you from one world to another without having to complete the world (ie it shoots you into another world)
get the world 5 cannon
give up.
yes,it does lead to world8
in world 1 at the tower there is a red flag that you need to get to unlock the cannon.
You have to get the secret exit's in every world and the secret worlds
you cant
Theres a secret exit in the fortress
Mario Bros. Super Mario Bros. Super Mario Bros. 2 Super Mario Bros. 3 Super Mario World Super Mario Land Super Mario World 2 Super Mario Land 2 Super Mario 64 Super Mario Sunshine New Super Mario Bros. Super Mario Galaxy New Super Mario Bros. Wii Super Mario Galaxy 2
Complete level 6 sfeb5h6bgtegbu