Worlds Collide is the fourth studio album by Swedish metalcore band Dead by April. It was released on 7 April 2017 through Spinefarm and Universal. It is the first album to feature guitarist/songwriter Pontus Hjelm on co-lead vocals and the last album to feature former unclean vocalist Christoffer "Stoffe" Andersson as he left the band shortly after the album's release. The album debuted at number 8 on the Swedish albums chart. On 1 September 2017 the band released an EP titled Worlds Collide , which contains four tracks from Worlds Collide with the original harsh vocals replaced with harsh vocals by returning member Jimmie Strimell.
On 20 October another EP, called Worlds Collide , was released, containing acoustic versions of 4 songs from the album.