* = Bonus on Japanese edition.
Produced by Scott Burns and Sepultura.
Executive producer: Monte Conner.
Engineered by Scott Burns.
Assistant engineer: Antoine Midani.
Additional bass recording by Andreas Kisser.
Recorded at Nas Nuvens Studio, Rio de Janeiro, Brazil, December 15-28, 1988.
Mixed by Scott Burns, Tom Morris and Max Cavalera at Morrisound Recording, Tampa, Florida, USA, January 1989.
Mastered by Mike Fuller at Fullersound, Miami, Florida, USA.
Some versions remastered at The Hit Factory, New York City, USA, November 1989.
All songs written by Sepultura.
All lyrics written by Max Cavalera and Andreas Kisser, except 3 by Kelly Shaefer.
Cover artwork by Michael R. Whelan ("Nightmare in Red".
Photo by Wesley H. Raffan.
Design by Deborah Lauren.
Line-up (left to right):
Massimiliano Antonio "Max" Cavalera - vocals, rhythm guitar
Andreas Rudolf Kisser - lead guitar
Igor Graziano Cavalera - drums
Paulo Xisto Pinto "Jr." Junior - bass
Additional musicians:
Kelly Shaefer - backing vocals on 3
John Tardy - backing vocals on 3
Scott Latour - backing vocals on 3
Francis Howard - backing vocals on 3
Henrique - synthesizer