| Ganito Kami Noon... Paano Kayo Ngayon? | 1976 | Screenplay |
| Experience | 1984 | Screenplay |
| Tatlong Mukha ng Pag-ibig | 1988 | Screenplay |
| Biktima | 1990 | Screenplay |
| Sa Kabila ng Lahat | 1991 | Screenplay |
| Silakbo | 1995 | Screenplay |
| Eskapo | 1995 | Screenplay |
| Dahas | 1995 | Screenplay |
| Ganti ng Puso | 1996 | Writer |
| Istokwa | 1996 | Screenplay |
| Akin ang Puri | 1996 | Screenplay |
| Bakit May Kahapon Pa? | 1996 | Screenplay |
| Nasaan ang Puso | 1997 | Screenplay |
| Ang Babae sa Bintana | 1998 | Screenplay |
| Hinahanap-hanap Kita | 1999 | Screenplay |
| Spirit Warriors | 2000 | Screenplay |
| Hubog | 2001 | Screenplay |
| Yamashita: The Tiger's Treasure | 2001 | Screenplay |
| Prosti | 2002 | Screenplay |
| Bahid | 2002 | Writer |
| Mano Po | 2002 | Screenplay |
| Spirit Warriors: The Shortcut | 2003 | Screenplay |
| Bugbog Sarado | 2003 | Screenplay |
| Nympha | 2003 | Screenplay |
| Xerex | 2003 | Writer |
| Filipinas | 2003 | Screenplay |
| Mano Po 2: My Home | 2003 | Screenplay |
| Kulimlim | 2004 | Writer |
| Feng Shui | 2004 | Writer |
| Mano Po III: My Love | 2004 | Screenplay |
| Mano Po 4: Ako Legal Wife | 2005 | Writer |
| Pacquiao: The Movie | 2006 | Writer |
| Pacquiao: The Movie | 2006 | Screenplay |
| Desperadas | 2007 | Screenplay |
| Baler | 2008 | Writer |
| Desperadas 2 | 2008 | Writer |
| Mano Po 6: A Mother's Love | 2009 | Screenplay |
| Bulong | 2011 | Screenplay |
| Manila Kingpin: The Asiong Salonga Story | 2011 | Writer |
| The Healing | 2012 | Writer |
| Lilet Never Happened | 2012 | Writer |
| Shake Rattle and Roll Fourteen: The Invasion | 2012 | Screenplay |
| Unwanted | 2012 | Writer |
| Feng Shui 2 | 2014 | Screenplay |
| Fatherland | 2025 | Screenplay |
