World 6-1
Head right past the first ledge and wall-jump up to the first Star Coin. Next, head right, wall-jump up, and go left to grab the second Star Coin. Go back to the right and continue. When you are above the third Star Coin, press 
to hang down and grab it, then press 
to continue, and hit the flagpole to finish the level.
World 6-A
Jump into the tornado to fly up. Follow the trail of coins to grab the first Star Coin. Come back down and let yourself sink to the bottom of the sand waterfall (it is higher than the surrounding area). You will enter an underground section. Wall-jump to reach the second Star Coin, let yourself fall down, and climb up on the right. Go through the yellow warp pipe at the end to exit this section. When you see a number of pipes close together, go down the yellow warp pipe near the middle. Jump over the Giant Piranha Plant to grab the third Star Coin. Exit through the red warp pipe on the left and go down the green pipe immediately next to you to be shot over the pipes. Continue to the right, go through the green warp pipe at the end, and hit the flagpole.
World 6-2
Go right and throught the warp pipe at the end. At the first ?-block, swim up beneath the area between the two coins to reveal secret blocks and a vine. Climb the vine, go right, and hit the block from underneath. Hit the switch and quickly head right to grab the first Star Coin before time runs out. Continue to the right and enter the second green warp pipe to be shot forward. Go right some more and jump when the water is high to reach the second Star Coin. Head down the next green pipe to be shot forward again. Head right and come back to the left underneath to grab the third Star Coin. Go through the yellow warp pipe at the end and hit the flagpole.
World 6-Tower 1
Go up, taking care to avoid the moving spiky bars. When you see the first Star Coin at the fourth spiky bar, grab it and duck quickly to avoid being hit. When it leaves, continue up. When you reach the trampoline, duck to avoid the spiky bars. When they leave, jump on it to reach the next ledge. Continue up and go through the door. Head all the wait up to the door. Wait for the spiky bars to leave and grab the second Star Coin. Then go through the door. To grab the third Star Coin, you must be Mini Mario. If you have a Mini Mushroom, use it. Wall-jump and go through the green warp pipe. Wait for the spiky bars to leave and jump to the middle ledge. Wait until they leave again, grab the third Star Coin, and go back to the middle ledge. Exit through the green warp pipe when the spiky bars leave again. Go down and through the double doors. If you are Mini Mario, ground pound Bowser Jr. three times. Otherwise, jumping on him three times is enough.
World 6 Level guides are coming soon.
