He wrote or co-wrote the story or screenplay for Jason X (2001), The Messengers (2007), My Bloody Valentine 3D (2009), and the action film Drive Angry (2011).

He wrote the screenplay and chose a futuristic setting in order to not collide with the continuity of Freddy vs. Jason,[2] another film in the series, being still in development at the time.

[3] Farmer also wrote the screenplay for The Messengers, but not much of it found its way into the finished film which went through several re-writes after the original production company had sold the rights to Ghost House / Mandate Pictures by means of a turnaround deal.

[4] 2 years later though, Messengers 2: The Scarecrow, a straight-to-DVD production and a prequel to the first film, actually used Farmer's original script and adapted it with only minor changes in the third act.

Most recently, they made the supernatural revenge thriller Drive Angry starring Nicolas Cage, Amber Heard and William Fichtner.