| TISHVAISINGS | "Catharsis" (CD 1991)
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| VIPER | "Cry For Justice" (MC 1990) |
| Splits & Sampler | "Kleeblatt Nr. 22 - Hard & Heavy" (LP 1987 mit Plattform, MCB & Cobra)
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"Speed Up - Heavy News" (CD 1990 mit Merlin, Headless & Hardholz)
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