| Year | Title and description | Ref. |
| 1970s | Lovekill, a horror film co-written with Paul Bartel and Mike Wakely | |
| A film adaptation of James Tiptree Jr.'s short story "The Screwfly Solution" | |
| Jaws: 3, People: 0, an early attempt of another Jaws sequel pitched as a spoof | |
| 1980s | Something Wicked This Way Comes | |
| Halloween III: Season of the Witch | |
| Meltdown, a film written by Charles H. Eglee | |
| The Philadelphia Experiment | |
| Halloween 4: The Return of Michael Myers | |
| The Batman, a film based on the eponymous character written by Tom Mankiewicz starring John Lithgow as the Joker | |
| The Good, the Bad and the Ugly 2, a proposed sequel to the 1966 film | |
| A remake of the 1954 film Creature from the Black Lagoon | |
| A film adaptation of the trading card series Dinosaurs Attack! written by Charles S. Haas | |
| Little Man Tate | |
| A film adaptation of Jonathan Swift's novel Gulliver's Travels written by Terry Jones | |
| 1990s | Jurassic Park | |
| A contemporary-set film adaptation of Jack London's novel The Sea-Wolf starring Tom Hanks or Steve Guttenberg | |
| A film adaptation of Mark Twain's novel Adventures of Huckleberry Finn | |
| Termite Terrace, a biopic about Warner Bros. animator Chuck Jones written by Charles S. Haas | |
| Milk Money | |
| The Brink, a thriller written by Nicholas Seldon and Robert Skotak set in the world of virtual reality | |
| An early attempt of The Mummy remake written by John Sayles set in contemporary times | |
| The Phantom | |
| Cat and Mouse, retitled from Rupert and Murdoch, a live-action/animated comedy | |
| My Favorite Martian starring Martin Short | |
| A live-action film adaptation of the cartoon series The Jetsons | |
| Intolerable Cruelty starring Jeremy Irons and Heather Locklear | |
| Sacred Estates, a black comedy written by David Dean Bottrell | |
| A remake of the 1946 film noir Crack-Up | |
| The Sixth Day | |
| 2000s | Godzilla Reborn, a sequel to Godzilla 2000 written by Michael Schlesinger | |
| Mindhunters | |
| The Wylde Bunch, a TV series written by John Sayles about a fictional 1970s low-budget film producer | |
| A film adaptation of John Brunner's novel The Sheep Look Up | |
| The Man with Kaleidoscope Eyes, a biopic written by Tim Lucas, Charlie Largent, Michael Almereyda and James Robison centering on Roger Corman's making of The Trip | |
| A film adaptation of Tom Holt's novel Expecting Someone Taller | |
| Bat Out of Hell, an indie horror film written by Drew McWeeny and Scott Swan about airplane hijackers who confront monstrous cargo | |
| 2010s | Ombra Amore, retitled from Monster Love, a horror-comedy written by Greg Pak about a werewolf and a vampire who fall in love | |
| Fear Paris, retitled from Paris, I'll Kill You, a horror anthology film with segments directed by Dante, Xavier Gens and Timo Vuorensola | |
| Hart's Location, an independent drama written by Ashley Reed starring Bruce Dern, Laura Dern and Diane Ladd | |
| O2, a sci-fi thriller written by Ronnie Christensen | |
| Air Disturbance, a horror thriller written by Jeremy Sklar starring Robert Englund and Dylan Walsh | |
| A film adaptation of M. R. James' short story "Casting the Runes" starring Simon Pegg | |
| Labirintus, a supernatural thriller written by Alan Campbell starring Mark Webber, Rachel Hurd-Wood and Lorànt Deutsch | |
| Polybius, an adventure-thriller written by Barry Stiglets | |
| 2020s | Little Shop of Halloween Horrors, a reboot of The Little Shop of Horrors written by Charles S. Haas | |
