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Chapter 1-2: Afoot in the Foothills
And so Mario came to learn the stupendous ability of flipping between dimensions.
After adventuring through Lineland Road, Mario and co. scale the mountain and eventually reach Yold Town, where they make it to the town's main square after a chat with Red. After Mario shows Old Man Watchitt Thoreau, his requirement to lift the bridge leading to Yold Desert, the old mayor calls up Green and orders him to let Mario through. Soon after that, the plumber crosses the bridge to the Yold Desert.
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