Plague Inc: Evolved had Steam trading card support added on February 21, 2014. There are 9 cards in the series, 5 of which you'll receive for purchasing and playing the game. Along with cards there are emoticons which can be gained through crafting a "Plague Inc: Evolved" badge or purchasing them through the Steam Market.
Trading Cards
Foil Trading Cards
Badges
Level 1
Insomnia
Insomnia
Level 2
Coughing
Coughing
Level 3
Skin Lesions
Skin Lesions
Level 4
Systemic Infection
Systemic Infection
Level 5
Necrosis
Necrosis
Foil Badge
Total Organ Failure
Total Organ Failure
Booster Packs
Emoticons
Common
DNA
DNA
Common
Bio-Hazard
Bio-Hazard
Uncommon
Deaths
Deaths
Uncommon
Cure
Cure
Rare
Plague Inc
Plague Inc
Profile Backgrounds