Participating is easy! There are two ways you can participate:

START a new  SCREENPLAY: simply sign in to Open Screenplay and click START SCREENPLAY on the main menu. Choose the “Horror Short” contest to enter your screenplay t into the competition. The screenplay must be completed on openscreenplay.com

FIND a SCREENPLAY to contribute to: go to the FIND Page and under type: select SHORT FILM and CONTEST ENTRY. Select any SHORT FILM screenplays with the contest logo below it. If the screenplay is PUBLIC you can contribute right away. If it's PRIVATE, you have to request an invitation to the screenplay.