On March 23, 2022, the band announced their eighth studio album, Heaven and Hell, which is set to be a double album. Heaven will be a pop punk album much like the band's early material while Hell is a continuation of the band's more recent heavier metal sound.
On March 15, 2022, the band announced the release of their sixth studio album Harder Than It Looks with a release of the single "Congratulations". The album was released on May 6, 2022. On April 8, 2022, the band released the album's fourth single, "Wake Me Up (When This Nightmare's Over)".
Songwriting for various artists and bands alongside her own music, Cassyette merges pop and rock inspired sounds with modern-day electronic pop. Cassyette's first solo debut was labelled "A seriously well-crafted, addictive gem that should underline Cassyette's reputation as not only one of London's most relevant new artists, but a consummate beat maker and songwriter".