The first single, "G Walk" was released on June 7, 2019. The song features a guest appearance from Chris Brown. While the high-profile collaboration was initially unexpected, Mosey had notably sampled Brown's 2005 hit single "Yo (Excuse Me Miss)" in "Greet Her", the seventh song on Northsbest. The second single, "Stuck in a Dream" featuring Gunna was released on September 17, 2019. The music video was also released on Lil Mosey's YouTube channel the same day. The single peaked at number 62 on the US Billboard Hot 100 dated November 23, 2019, as well as number 34 on the Canadian Hot 100 chart. The third single, "Live This Wild" was released on November 5, 2019, a few days before the release of Certified Hitmaker. Its music video was released a week later on November 14, 2019. Although it failed to chart on the US Billboard Hot 100, it managed to peak at number 80 on the Canadian Hot 100. The fourth single, "Blueberry Faygo" was originally a unreleased song that was leaked online. It was being uploaded on to Spotify and other platforms under many different names. For a period of time the song kept being posted and taken down. Eventually, the song became one of the biggest trending songs on Spotify. The song was officially released on February 7, 2020, and was later included on the album's reissue on the same day. The music video was released on March 26, 2020, and was directed by Cole Bennett. The single became Lil Mosey's most successful song to date, peaking at number 8 on the US Billboard Hot 100. In Canada, the song peaked at number 8 on the Canadian Hot 100. It also managed to peaked at number 9 on the UK Singles Chart and number 62 on Billboard's Global 200 charts respectively. The fifth single, "Back At It" featuring Lil Baby was released on June 26, 2020, in the lead up to the album's deluxe. The song reached number 9 on the US Bubbling Under the Hot 100 chart. The final single, "Top Gone" featuring Lunay was released on August 5, 2020.
