【List of related works】
| Title(Year of production) | In charge | Average | Number of reviews |
| ZOMBIE: DAWN OF THE DEAD (1978) | Director, Original music | 7.93 / 10.0 | 140 |
| Suspiria (1977) | Director, Screenwriter, Original music , Voice Artist | 6.14 / 10.0 | 130 |
| Death Proof (2007) | Other Crew | 6.26 / 10.0 | 104 |
| DAWN OF THE DEAD (1978) | Original music | 7.40 / 10.0 | 88 |
| PROFONDO ROSSO (1975) | Director, Screenwriter | 6.47 / 10.0 | 72 |
| DEMONS (1985) | Writer, Screenwriter, Producer | 6.27 / 10.0 | 62 |
| Once Upon a Time In The West (1968) | Writer | 7.96 / 10.0 | 54 |
| Phenomena (1985) | Director, Screenwriter, Producer | 6.38 / 10.0 | 50 |
| DEMONS 2 / DEMONI 2 (1986) | Screenwriter, Producer | 6.19 / 10.0 | 21 |
| Inferno (1980) | Director, Writer, Screenwriter, Voice Artist | 5.35 / 10.0 | 17 |
| Mother of Tears: The Third Mother (2007) | Director, Writer, Screenwriter, Producer | 5.35 / 10.0 | 14 |
| Suspiria (2018) | Screenwriter | 4.71 / 10.0 | 14 |
| TERROR AT THE OPERA (1988) | Director, Screenwriter, Producer | 5.38 / 10.0 | 13 |
| Tenebre (1982) | Director, Screenwriter, Voice Artist | 4.91 / 10.0 | 12 |
| TODAY IT'S ME (1968) | Screenwriter | 4.91 / 10.0 | 12 |
| The Card Player (2004) | Director, Writer, Screenwriter, Producer | 3.54 / 10.0 | 11 |
| GRINDHOUSE (2007) | Other Crew | 8.27 / 10.0 | 11 |
| Il Fantasma Dell'opera (1998) | Director, Screenwriter | 4.50 / 10.0 | 10 |
| Ennio (2021) | Other Cast | 8.00 / 10.0 | 10 |
| TRAUMA (1993) | Director, Writer, Screenwriter, Producer | 3.25 / 10.0 | 8 |
| THE CAT O'NINE TAILS (1971) | Director, Writer, Screenwriter | 5.37 / 10.0 | 8 |
| THE BIRD WITH THE CRYSTAL PLUMAGE / THE PHANTOM OF TERROR (1970) | Director, Actor, Screenwriter | 5.50 / 10.0 | 8 |
| Jenifer (2005) | Director | 7.75 / 10.0 | 8 |
| Four Flies on Grey Velvet (1971) | Director, Screenwriter | 5.14 / 10.0 | 7 |
| THE CHURCH (1989) | Screenwriter, Producer | 4.50 / 10.0 | 6 |
| The 5 Man Army (1969) | Screenwriter | 6.33 / 10.0 | 6 |
| SLEEPLESS (2001) | Director, Writer, Screenwriter | 5.60 / 10.0 | 5 |
| Giallo (2009) | Director, Screenwriter | 5.20 / 10.0 | 5 |
| Innocent Blood (1992) | Actor | 5.75 / 10.0 | 4 |
| Occhiali neri (2022) | Director, Screenwriter | 4.50 / 10.0 | 4 |
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