The Showdown Effect had Steam trading card support added on 19 September 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 Artworks

  • Dr. Johnny Bionic
  • Hailey Skye
  • Thelma Vaine
  • Lord Edmund Gauntlet
  • Sgt. Lance Koboldski
  • Leona Wolf
  • Mr. Shur Foo
  • Dutch McClone
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