Cosmic Girls pumped it up for the latest installment of 1theK's 'Idol Arcade'!

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Cosmic Girls, who recently returned with "I Wish", were met with a pump dance machine in their waiting room. Cheng Xiao showed off her lovely crab dance, and Eunseo twists it up. In the end, you get a look at how each of the members tackle the popular arcade game.

Watch their attempts above!