Penny Arcade's On The Rain-Slick Precipice of Darkness 4 had Steam trading card support added on June 26, 2013. There are 8 cards in the series, and you'll receive 4 cards at random for purchasing and playing the game.

Trading Cards

Foil Cards


Booster Pack


Profile Backgrounds

Card Artwork

  • Dawn
  • Daewhale
  • Fish Force
  • Hestia
  • Jim
  • Overhell
  • Underhell
  • Ultimate Defense System