The single "Inside of Me" produced by Howard Benson and featuring Chris Motionless was released on August 31, 2016. Its B-side, "Rise or Die", features Richard Z. Kruspe. The music video for "Calling" was released via Loudwire in April 2017. These three tracks and "Sin in Justice" were included on the album "Underworld", released on April 26, 2017. Designed to appeal to American audiences, it marks the first time Vamps brought in a producer and co-writers on songs. In September, they opened for Danzig at three concerts in the Western US and headlined their own show at the Roxie Theater.