Jump on the pipe and press down.
you have to jump on a certain rope if you jump high enough you will see this pipe go in the pipe and you will find the 3rd star coin
Jump from underneath the pipe while holding up on the D-Pad
if you have unlocked a cannon you will be able to enter a level then when your at the cannon enter it like a pipe
beat the level by going through a secret pipe.(red or Green)
to skip a level you have to find an orange pipe. there is one on 1-2
you have to hit the ball in the pipe and it appears on the other pipe.
you need to have a tiny mushroom and get to the tiny pipe on world 7-4
Look for the secret goal in 8-2.It`s near the pipe that takes you to the goal.
In level 1-2, the underground zone, make sure you grab a mushroom and get to an area where you can break the blocks on the ceiling. After that, jump on top of it and run above the entire level, past the final pipe, and you're done.
Here is a cannon for world 1. Go to the fortress ( not the castle ) and at the part where you get in the green pipe to fly into the air wait until you fall again then go into the yellow door. Jump across the bricks until you get to the top right and walk into a secret pipe. You need Shell Mario next. Run with shell Mario until he go into his Shell and go right. Smash the blocks and continue. Jump on the red flag at end of level to unlock the warp cannon.
Once you have got past the big spicky fish, don't bounce on the koopa next to the green pipe to get to the yellow pipe. Go through the green pipe, swim to the surface, and you will see the red flag.
you go up on top and keep running until you get warp pipe and go to the flag on level 3