Yes there were cassette singles issued from the first 2 albums.
1987 / World Where You Live (3 Tracks) / NZ / EMI / TCGOOD-131
1987 / World Where You Live (4 Tracks) / UK / Capitol / TCCL-416
1987 / Don't Dream It's Over (3 Tracks) / UK / Capitol / TCCL-438
1987 / Something So Strong (3 Tracks) / NZ / EMI / TCGOOD-179
1988 / Better Be Home Soon (2 Tracks) / Aust / EMI / TCCP-2100
1988 / Better Be Home Soon (2 Tracks) / USA / Capitol / BX-44164
1988 / When You Come (3 Tracks) / Aust / EMI / TCCP-2120
1988 / Into Temptation (3 Tracks) / Aust / EMI / TCCP-2128
1988 / Into Temptation (2 Tracks) / USA / Capitol / BX-44226
1989 / Sister Madly (2 Tracks) / Aust / EMI / TCCP-2206
1989 / I Feel Possessed / (4 Tracks) / Aust / EMI / TCCP-2278
1989 / I Feel Possessed / (4 Tracks) / USA / Capitol / BX-44406