"red pill blues" received mixed reviews from critics, and peaked at number two on the us "billboard" 200. the album includes the singles "don't wanna know", "cold", "what lovers do", "wait", and "girls like you". the first two singles, "don't wanna know" and "cold", are both only included on the album's deluxe edition. the third single, "what lovers do", peaked within the top ten in twenty-five countries including australia, canada and the united states. the album's fourth single, "wait", received moderate success as it peaked at number twenty-four in the united states, thirty-five on the canadian hot 100, and seventy-nine in the uk singles. the fifth and final single from the album, "girls like you", was released in a new version featuring rapper cardi b and peaked at number one on the us "billboard" hot 100, as well as in the top five in australia and canada. the band embarked on the red pill blues tour (2018–2019) in support of the album.