Hymns of the Unholy is a metal reimagining of River Boy’s award-winning soundtrack for Massive Monster’s breakout indie game, Cult of the Lamb. Written, arranged and produced by Sam George (Pick Up Goliath) at Mammoth Sound Studio, the six songs feature vocals written and performed by Howard Jones (Light the Torch, ex-Killswitch Engage) and Matthew K. Heafy (Trivium); guitar work by Scott LePage and Clay Gober (Polyphia), Javier Reyes (Animals as Leaders), Josh Baines (Malevolence) and Sean Long (While She Sleeps); and drums by Mike Malyan (ex-Monuments).

Hymns of the Unholy is delivered in .mp3 and high-quality .wav formats.