BRUTALITY dimension demented 1990 demo w/bonus sticker ,limited to 1000 copies, 3 lagu dari demo ini di rilis dalam format 7" oleh label gore records/nuclear blast dengan title "hell on earth"

 BRUTALITY metamorphosis demo 1991 demo- pro printed cover and cassette,included lyric on  back , released about 5000 copies

 DEMOLITION HAMMER necrology demo 1989 - pro made covers and pro printed cassette,lyric on back

 INVOCATOR alteration demo 2 -1989 -pro printed cover w/studio tapes/lyric on back

 INVOCATOR genetic convulsion demo 1 - 1988- pro printed cover w/lyric on back

INVOCATOR promotape 92 -pro printed cover w/flyer ,address info on back cover