Scaling the Mountainside
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Scaling the Mountainside, or Frosted Glacier-4, is the fourth level of Frosted Glacier in New Super Mario Bros. U. It is unlocked via completion of Prickly Goombas!, and its own completion opens the path to Swaying Ghost House.
Like Spinning-Star Sky, the ground is covered with snow. The background contains many mountains, along with a dark-blue nighttime sky, various stars, and falling snowflakes. Scales are a very common obstacle in this level.
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