Serious Sam HD: The First Encounter had Steam trading card support added on March 18, 2016. There are 8 cards in the series, and you'll receive 4 cards at random for purchasing and playing the game.

Serious Sam HD: The Second Encounter also has Steam trading card support.

Trading Cards

Foil Cards


Booster Pack


Profile Backgrounds

Card Artwork

  • Aludran Reptiloid, Common
  • Arachnoid, Adult
  • Ugh-Zan III, The Vicious Warlock
  • Beheaded Rocketeer
  • Marsh-Hopper from Rigil Kentaurus
  • Reeban Electro-Fish
  • Beheaded Firecracker
  • Kleer Skeleton