Discussing the recording process, McCall explained: "The songs, the sounds, the speed, the heaviness and the production has all been stepped up.
"[4] The track "Feed Them to the Pigs" is named after a line in the Guy Ritchie film Snatch.
[9] In January and February 2008, the band went on a US tour alongside Killswitch Engage, the Dillinger Escape Plan and Every Time I Die.
[10] Following this, the band performed at the Groezrock festival in Belgium, and went on an Australian tour with Have Heart, Antagonist and Break Even.
[11][12] In July and August, the band supported Darkest Hour on the Trash & Burn tour.
AllMusic gave the album a positive review but saying, "As a result, Horizons is strictly by the book metalcore, but delivered with enough talent and passion to put across a set of songs that might easily come off as samey and dull in less capable hands.