On the Rain-Slick Precipice of Darkness

On the Rain-Slick Precipice of Darkness: Episode One is a video game based on the Penny Arcade webcomic, and the first in the series. Announced on August 25, 2006, the opening day of that year's Penny Arcade Expo, it is a 3D action-adventure that will be distributed episodically several times a year via download.

The game was released on May 21, 2008 on Windows, Mac OS, Linux and Xbox Live Arcade. Due to compatibility problems with the Torque Engine and PlayStation 3 hardware, the PlayStation Network version of the game was delayed.