In Zelda Four Swords, for example, players will be able to explore Hyrule on the TV then pop underground on their GameBoys to uncover secrets which will help in the game.

BBC: Jo Twist

The pop culture embrace of a previous niche and underground performer was so thorough it landed him within days in a Jimmy Kimmel skit that fully displayed immense out of ring qualities.

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But if water lingers underground for several days, subway rats may pop up aboveground, Leirs said.

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