Chicken Invaders 4 had Steam trading card support added on July 18, 2014. There are 7 cards in the series, and you'll receive 4 cards at random for purchasing and playing the game.
The other installments in the game series, Chicken Invaders 3 and Chicken Invaders 5, also have trading card support.
Trading Cards
Foil Cards
Badges
Level 1
Rookie
Rookie
Level 2
Experienced
Experienced
Level 3
Veteran
Veteran
Level 4
Virtuoso
Virtuoso
Level 5
Superstar Hero
Superstar Hero
Booster Pack
Emoticons
:ci4chicken:
(common)
(common)
:ci4egg:
(common)
(common)
:ci4feather:
(common)
(common)
:ci4leg:
(common)
(common)
:ci4burger:
(uncommon)
(uncommon)
:ci4droid:
(uncommon)
(uncommon)
:ci4football:
(uncommon)
(uncommon)
:ci4invader:
(uncommon)
(uncommon)
:ci4key:
(rare)
(rare)
:ci4roast:
(rare)
(rare)
Profile Backgrounds
Earth
(common)
(common)
Space
(common)
(common)
Space Burger
(common)
(common)
Sun
(common)
(common)
Superchick
(common)
(common)
Giant Robotic Space Crab
(uncommon)
(uncommon)
Infinichick
(uncommon)
(uncommon)
Mother-Hen Ship
(uncommon)
(uncommon)
Egg Cannon
(rare)
(rare)
Planetary Egg City
(rare)
(rare)
