New Super Mario Bros Wii’s third warp cannon is located in the Haunted Mansion of World 3. When the level ends, a couple of extra mushroom platforms will appear on the map to help you reach the cannon.

Once you emerge from the pipe, you’re just a couple of carefully-timed jumps away from unlocking the secret path on the world map. If you get to the end of the rotating pink block’s path, you’ve gone too far. Use your helicopter hat to fly up and enter it. Immediately above and to the right of the amazing reappearing coins is an upside-down red warp pipe. You’ll see a set of ten invisible coins above several more dancing back and forth. The upside-down warp pipe you’re looking for is located just after the level’s eight red coins. You’ll have several chances to pick up a helicopter hat during this high-flying level, and that’s good because you’ll need one to reach the level’s secret exit. The game’s second warp cannon entrance is unlocked within world 2-6. The pipe leads to a hidden flag pole exit, and jumping on the flag will open up the path to the warp cannon on the world map. Immediately past that you should enter a hidden warp pipe. Walk along the top of the ledge until you pass a small dip where you become visible. Alternatively, you can simply jump once then shake your controller to hop off Yoshi’s back and get a little extra height. Jump, then press jump again to have Yoshi boost you up the extra few inches you’ll need to reach it. The real secret path is just off the top of the screen above the ledge. If you continue into the floating mass from the ledge, you’ll discover a hidden passage, ignore it.

There are three smaller plateaus below it that you can use to reach the ledge. Shortly after the mid-level save point, you’ll come across a large floating mass in the sky with a tiny ledge just visible at the top of the screen. Make sure you don’t lose him during the level, as you’ll need his help to gain entry to the warp cannon. You’ll make your way through the level and eventually find a ? box containing your old pal Yoshi. The game’s first warp cannon entrance is located in World 1-3. New Super Mario Bros Wii is no slouch in this department, as there are several secrets for careful explorers to unlock. No Mario game would be complete without a multitude of unlockable warp cannons.

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