| 
 | 1991 March - Heart - NUMANCV 1 - 7" | 
                  
                    | 
 | 1991 March - Heart - NUMANTX 1 - 12" | 
                  
                    | 
 | 1991 March - Heart - NUMANCD 1 - CD | 
                  
                    | 
 | 1991 March - Heart  - NUMANCV 1 - 7"(Red vinyl) | 
                  
                    | 
 | 1991 March - Outland - EIRSA-1039 - LP | 
                  
                    | 
 | 1991 March - Outland - EIRSACD 1039 - CD | 
                  
                    | 
 | 1991 Jun My World Storm re-mix by Rockers Uptown - V-13824  - 12" | 
                  
                    | 
 | 1991 Ski School 1 track remix Devious - 026359057533 - VHS | 
                  
                    | 
 | 1991 The Unborn - 914B3  - VHS | 
                  
                    | 
 | 1991 September - Emotion - NU22 - 7" | 
                  
                    | 
 | 1991 September - Emotion - NUM22 - 12" | 
                  
                    | 
 | 1991 September - Emotion - NUCD22 - CD | 
                  
                    | 
 | 1991 November - Berserker - NUMACD 1001 - CD | 
                  
                    | 
 | 1991 - Beggars Banquet The Collection - SPV 076-0545 - 2XCD | 
                  
                    | 
 | 1991 - Rock and Pop Moods Street Life
                      - L GBP 7000 18 027 -  CD | 
                  
                    | 
 | 1991 - The Best of Synth - OG 3805 - CD | 
                  
                    | 
 | 1991 - The Indie Scene 77 - IBM CD 77 - CD | 
                  
                    | 
 | 1991
                      October - 12 Number Ones Of The 70’s Tetley One Cup - PSPCD 204
                      - CD | 
                  
                    | 
 | 1991 March - Heart -
                      NUMANC 1 - Cassette | 
                  
                    | 
 | 1991 March - Outland -
                      EIRSAC-1039 - Cassette | 
                  
                    | 
 | 1991 September - Emotion -
                      NUC22 - Cassette | 
                  
                    |  |  |