Age of Empires III: Complete Collection had Steam trading card support added on November 20, 2013. There are 9 cards in the series, and you'll receive 5 cards at random for purchasing and playing the game.
Trading Cards
Foil Cards
Badges
Level 1
AOE3 Novice
AOE3 Novice
Level 2
AOE3 Initiate
AOE3 Initiate
Level 3
AOE3 Journeyman
AOE3 Journeyman
Level 4
AOE3 Veteran
AOE3 Veteran
Level 5
AOE3 Expert
AOE3 Expert
Foil Badge
AOE3 Master
AOE3 Master
Booster Pack
Emoticons
:AOEHouse:
(common)
(common)
:Explorer:
(common)
(common)
:Windmill:
(common)
(common)
:Farm:
(uncommon)
(uncommon)
:AOECannon:
(rare)
(rare)
Profile Backgrounds
Redcoats
(common)
(common)
Asian Dynasties
(common)
(common)
Calvary
(uncommon)
(uncommon)
Naval Battle
(rare)
(rare)
Cannons
(rare)
(rare)
