We have several new screenshots from Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness, the first chapter of the planned episodic Penny Arcade Adventures game scheduled for worldwide download via the new digital download service Greenhouse later this quarter. Developed for Windows, Mac and Linux, Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness will feature characters from Penny Arcade, including the well-known Gabe and Tycho.