"Arcade" is a song by Dutch singer-songwriter Duncan Laurence. The song was released on 7 March 2019 by Spark Records. It was later included as the lead single on his debut studio album Small Town Boy, and also features on his debut EP Worlds on Fire. The song was written by Laurence, Joel Sjöö, Wouter Hardy and Will Knox. "Arcade" represented the Netherlands in the Eurovision Song Contest 2019 in Tel Aviv, Israel, which it won, marking the Netherlands' first Eurovision victory since 1975. After the complete line-up of songs was announced, "Arcade" was the bookmakers' favourite to win Eurovision, and had remained so until the contest ended. An acoustic version of the song was released on 19 July 2019, followed by a duet version featuring American singer Fletcher on 27 November 2020. In February 2020, "Arcade" won an Edison Award for Best Pop Song of the Year.
In the second half of 2020, "Arcade" went viral on social media platform TikTok, resulting in new chart successes and streams on various platforms. In January 2021, "Arcade" became the most-streamed Eurovision song on Spotify, passing "Soldi" by Mahmood, the runner-up of Eurovision 2019. Later that year, in April, "Arcade" became the first Eurovision song in 25 years and the first Eurovision winning song in 45 years to chart on the US Billboard Hot 100; by September, it peaked at number 30. As revealed during the first semi-final of the Eurovision Song Contest 2021, the song has been streamed over one billion times across all platforms.