Starting in 2012, Summer Slaughter began to add more progressive metal bands to their lineups, seeing Between the Buried and Me co-headline with Cannibal Corpse.
The choices for 2011 were Dawn of Ashes, Revocation, Neuraxis, Conducting From The Grave, The Contortionist, Within The Ruins, Volumes, Augury, 7 Horns 7 Eyes, Rings of Saturn, and Struc/tures.
The choices for 2012 were Aegaeon, Battlecross, Cerebral Bore, Enfold Darkness, Fallujah, Fit for an Autopsy, Hour of Penance, I Declare War, Pathology, and Vildhjarta.
The choices for the 2013 tour were Abiotic, As They Burn, Dark Sermon, Erra, Fit for an Autopsy, Howl, Intervals, Into the Flood, King Conquer, Last Chance To Reason, My Bitter End, Nekrogoblikon, Rings of Saturn, Syqem, Soreption, Today I Caught the Plague, and Thy Art Is Murder.
Vektor were put on the initial ballot by their record label without the band's knowledge or approval, and upon discovering this, had to withdraw due to incompatible scheduling.