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Sunyata (CD, Hypnos cover 2000)

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Trances/Drones (Relapse CD Reissue, 2000)

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Inner Landscapes (CD, Hypnos cover 1999)

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Numena (Linden CD Reissue, 1993)

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Geometry (Linden CD Reissue, 1994)

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Numena/Geometry (Hearts of Space Repackaging, 1997)

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Rainforest (1989)

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Robert Rich Steve Roach - Strata (1990)

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Gaudi (1991)

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Steve Roach Robert Rich - Soma (1992)

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Propagation (1994)

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Night Sky Replies (EP) (1994)

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Robert Rich Lisa Moskow - Yearning (1995)

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Robert Rich B. Lustmord - Stalker (1995)

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A Troubled Resting Place (1996, includes Night Sky Replies + other archive tracks 1993-95)

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Robert Rich Alio Die - Fissures (1997)

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Seven Veils (1998)

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Humidity (2000)

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Somnium (DVD, 2001)