[3] Kingdom of Conspiracy continues to explore political subject matter rather than the anti-religion topics that dominated the band's earlier releases.

As guitarist Robert Vigna explained, the figures are shackles with their eyes and mouths sewn shut to represent "the chilling of speech and the intentional blinding of the masses.

Writing for About.com, Dave Schalek called the album "essential," praising its "big, baroque songs with atypical, swirling riffs.

"[6] Denise Falzon of Exclaim wrote that the band "push[es] their boundaries with fresh, innovative twists, in order to create albums that build upon their style while remaining distinctly Immolation.

"[9] At Pitchfork, Hank Shteamer called the band "one of the most rewarding veteran acts in the genre" and said that "like their contemporaries Suffocation and Incantation, Immolation are currently producing some of the strongest material of their career, an expertly calibrated blend of the byzantine and the straightforwardly brutal, simply by following their own muse.