Why it worked
The content leverages a common curiosity about languages and intelligence, presented in a gamified format with increasing difficulty. The "IQ test in bio" serves as a compelling, personalized call to action that directly relates to the content's theme.
Summary
This TikTok slideshow presents a series of sentences in different languages, challenging viewers to identify them. The final slide encourages those who answered correctly to try an IQ test linked in the bio.