[1] The album is set in the fictitious haunted Haverghast Asylum and features the blend of horror-inspired symphonic music and sound design the band had become known for.

[5] Edward Douglas said that he felt they were "truly able to realize their cinema of the mind" concept on Gate of Delirium with the mix of sound effects and music.

[7] The album was released through Entity Productions and self-distributed nationally through chains like Spencer Gifts, Hot Topic, Border Books, Best Buy, as well as in amusement parks, costume shops, and Halloween-merchandise retailers.

[8][9] To mark the release of the album, the group decorated the Tyr nightclub in Lakewood, Ohio to look like a mental institution and had a cast of actors who pretended to be its mad patients.

[12] Jeff Niesel of Cleveland Scene Magazine praised the album's effectiveness and production values adding though that it still suffered from the fact that was "best suited as background music.