1988 - Demo 88 (Demo)
1. Innocent Girl (5:05)
2. Armageddon (2:26)
3. Dead or Alive (3:27)
4. Impossible Metal Is Power (3:28)

1989 - Heller
1. Inferno (3:41)
2. Armagedon (2:23)
3. Inverzija (2:59)
4. Demonska devojka (4:30)
5. Grob bez dna (2:13)
6. Dead or Alive (3:25)
7. Krvava osveta (4:24)
8. Adam i Eva (0:11)
9. Varvarska horda (4:23)
10. Inkvizicija (3:08)
11. Heller (4:43)
12. Destiny - bonus demo track (4:28)
13. Trash - bonus demo track (2:50)
14. H.W.I.B. - bonus demo track (1:16)
15. RR - bonus demo track (3:08)

1993 - Demo Tape (Demo)
1. Thrash (2:48)
2. Child From Heaven (4:09)
3. Schizophrenia (2:11)
4. Call For Thunder (3:44)
5. H.W.I.B (1:18)
6. RR (3:05)
7. Heller - Live 1.5.1986 (4:12)