It's based on the Wall round from the quiz show 'Only Connect'. Here's a link to it on YouTube, which will explain it better than I could, go to 20m35s to see the round in question.
A member registered Jul 26, 2023 · View creator page →
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An unofficial browser game of the best round from Channel 5's Puzzling
Educational
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Creates Missing Vowels round messages for Discord and Reddit
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