Serious Sam HD: The Second Encounter had Steam trading card support added on 18 March 2016. There are 8 cards in the series, and you'll receive 4 cards at random for purchasing and playing the game.
Other games in the series, Serious Sam HD: The First Encounter, Serious Sam 3: BFE, Serious Sam 4, Serious Sam: Siberian Mayhem, Serious Sam: Kamikaze Attack! and Serious Sam Bogus Detour also have Steam trading card support.
Trading Cards
Foil Cards
Badges
Level 1
Tourist
Tourist
Level 2
Easy
Easy
Level 3
Normal
Normal
Level 4
Hard
Hard
Level 5
Serious
Serious
Foil Badge
Mental
Mental
Booster Pack
Emoticons
:bullsam:
(Common)
(Common)
:pumpkinsam:
(Common)
(Common)
:skullsam:
(Common)
(Common)
:samface:
(Uncommon)
(Uncommon)
:winnersam:
(Rare)
(Rare)
Profile Backgrounds
Familiar Faces
(Common)
(Common)
Teotichuacan
(Uncommon)
(Uncommon)
Calm Before the Storm
(Rare)
(Rare)
