Iggy's Swinging-Chains Castle is a level in New Super Luigi U. As its name implies , this castle is filled with chains. (NOTE : images haven't been uploaded yet. You can help Super Mario Wiki by uploading images. Thank You.)
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The castle has many lava, lava waves, chains, Bony Beetles, Bros and more dangers. With the chains, the player must carefully try to guide Luigi and the gang beyond the orange heat mess. Super Thwomps drop from off-screen as well. Iggy's battle is the same as in the original, but Iggy is faster and stronger and lava waves come out of the lava. It's completion unlocks Mount Fuzzie.