| Band members | |
| Razeforce | |
| Helf | Bass, Vocals |
| Nelito Rip | Drums, Vocals (backing) |
| Pino | Guitars |
| Mauro | Guitars |
| Grey Flow | |
| Emerson Moscatelly | Bass |
| Eduardo Henrique | Drums |
| Danilo Oliveira | Guitars |
| Messias Saul | Vocals, Guitars |
| Butcher | |
| Marcelo Mendes | Drums |
| Vladimir Micheletti | Bass, Vocals |
| Blarth piassi | Guitars, Vocals (backing) |
| Charley Vasconcelos | Guitars, Vocals |
| Disease | |
| Marquinho | Bass |
| Ricardo | Drums, Vocals |
| Fábio | Guitars, Vocals (backing) |
| Alan Bello | Guitars, Vocals (backing) |
| Miscellaneous staff | |
| Razeforce | |
| Sergio Oliveira | Artwork |
| Gauguin | Engineering |
| Sílvio | Producer (assistant) |
| Rogerio Gonçalves | Design |
| Grey Flow | |
| Rodrigo Pedrolli | Artwork |
| Razeforce | |
| Helf | Bass, Vocals |
| Nelito Rip | Drums, Vocals (backing) |
| Pino | Guitars |
| Mauro | Guitars |
| Grey Flow | |
| Emerson Moscatelly | Bass |
| Eduardo Henrique | Drums |
| Danilo Oliveira | Guitars |
| Messias Saul | Vocals, Guitars |
| Butcher | |
| Marcelo Mendes | Drums |
| Vladimir Micheletti | Bass, Vocals |
| Blarth piassi | Guitars, Vocals (backing) |
| Charley Vasconcelos | Guitars, Vocals |
| Disease | |
| Marquinho | Bass |
| Ricardo | Drums, Vocals |
| Fábio | Guitars, Vocals (backing) |
| Alan Bello | Guitars, Vocals (backing) |
| Sergio Oliveira | Artwork |
| Gauguin | Engineering |
| Sílvio | Producer (assistant) |
| Rogerio Gonçalves | Design |
| Rodrigo Pedrolli | Artwork |
- Brazilian pressing issued with inner bio sleeve and gray-on-black Cogumelo labels.
Recording information:
- Recorded and mixed Feb. 1990 at J.G Studios, Belo Horizonte, Brazil.
| Added by: MMisantropo | Modified by: Gelordum |
| Added on: 2004-08-18 19:25:54 | Last modified on: 2022-07-16 19:58:13 |